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40070700400 = 2452388925759
BaseRepresentation
bin100101010100011001…
…100101110101110000
310211102121002111012211
4211110121211311300
51124031044403100
630224102101504
72615663222263
oct452431456560
9124377074184
1040070700400
1115aa2958325
12792371a894
133a17907b13
141d21b32cda
151097d001ba
hex954665d70

40070700400 has 60 divisors (see below), whose sum is σ = 96298350400. Its totient is φ = 16023536640.

The previous prime is 40070700361. The next prime is 40070700401. The reversal of 40070700400 is 400707004.

It is a happy number.

It is a super-2 number, since 2×400707004002 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40070700401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1542721 + ... + 1568479.

Almost surely, 240070700400 is an apocalyptic number.

40070700400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40070700400 is an abundant number, since it is smaller than the sum of its proper divisors (56227650000).

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

40070700400 is a wasteful number, since it uses less digits than its factorization.

40070700400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29666 (or 29655 counting only the distinct ones).

The product of its (nonzero) digits is 784, while the sum is 22.

40070700400 divided by its reverse (400707004) gives a square (100 = 102).

The spelling of 40070700400 in words is "forty billion, seventy million, seven hundred thousand, four hundred".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 200 400 3889 7778 15556 19445 25759 31112 38890 51518 62224 77780 97225 103036 128795 155560 194450 206072 257590 311120 388900 412144 515180 643975 777800 1030360 1287950 1555600 2060720 2575900 5151800 10303600 100176751 200353502 400707004 500883755 801414008 1001767510 1602828016 2003535020 2504418775 4007070040 5008837550 8014140080 10017675100 20035350200 40070700400