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40544045200 = 2452169759729
BaseRepresentation
bin100101110000100111…
…010000100010010000
310212122120202220012201
4211300213100202100
51131013233421300
630343051332544
72633501461261
oct456047204220
9125576686181
1040544045200
111621606927a
127a36151154
133a919b94b9
141d6894a968
1510c465066a
hex9709d0890

40544045200 has 60 divisors (see below), whose sum is σ = 97466099940. Its totient is φ = 16207790080.

The previous prime is 40544045197. The next prime is 40544045209. The reversal of 40544045200 is 254044504.

It can be written as a sum of positive squares in 6 ways, for example, as 627201936 + 39916843264 = 25044^2 + 199792^2 .

It is not an unprimeable number, because it can be changed into a prime (40544045209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 648936 + ... + 708664.

It is an arithmetic number, because the mean of its divisors is an integer number (1624434999).

Almost surely, 240544045200 is an apocalyptic number.

40544045200 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40544045200 is an abundant number, since it is smaller than the sum of its proper divisors (56922054740).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40544045200 is a wasteful number, since it uses less digits than its factorization.

40544045200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61444 (or 61433 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 28.

Adding to 40544045200 its reverse (254044504), we get a palindrome (40798089704).

The spelling of 40544045200 in words is "forty billion, five hundred forty-four million, forty-five thousand, two hundred".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 200 400 1697 3394 6788 8485 13576 16970 27152 33940 42425 59729 67880 84850 119458 135760 169700 238916 298645 339400 477832 597290 678800 955664 1194580 1493225 2389160 2986450 4778320 5972900 11945800 23891600 101360113 202720226 405440452 506800565 810880904 1013601130 1621761808 2027202260 2534002825 4054404520 5068005650 8108809040 10136011300 20272022600 40544045200