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40234225040 = 2451729583989
BaseRepresentation
bin100101011110001001…
…011000110110010000
310211211222210101211222
4211132021120312100
51124344430200130
630252223024212
72623020161432
oct453611306620
9124758711758
1040234225040
1116077197859
12796a43b068
133a42760969
141d3973c652
1510a7351ce5
hex95e258d90

40234225040 has 40 divisors (see below), whose sum is σ = 99047198520. Its totient is φ = 15147001856.

The previous prime is 40234224983. The next prime is 40234225069. The reversal of 40234225040 is 4052243204.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 19576487056 + 20657737984 = 139916^2 + 143728^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14790635 + ... + 14793354.

It is an arithmetic number, because the mean of its divisors is an integer number (2476179963).

Almost surely, 240234225040 is an apocalyptic number.

40234225040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40234225040 is an abundant number, since it is smaller than the sum of its proper divisors (58812973480).

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

40234225040 is a wasteful number, since it uses less digits than its factorization.

40234225040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29584019 (or 29584013 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 26.

Adding to 40234225040 its reverse (4052243204), we get a palindrome (44286468244).

The spelling of 40234225040 in words is "forty billion, two hundred thirty-four million, two hundred twenty-five thousand, forty".

Divisors: 1 2 4 5 8 10 16 17 20 34 40 68 80 85 136 170 272 340 680 1360 29583989 59167978 118335956 147919945 236671912 295839890 473343824 502927813 591679780 1005855626 1183359560 2011711252 2366719120 2514639065 4023422504 5029278130 8046845008 10058556260 20117112520 40234225040