40357766431626 has 64 divisors (see below), whose sum is σ = 95485447667712. Its totient is φ = 11130807627072.

The previous prime is 40357766431561. The next prime is 40357766431643. The reversal of 40357766431626 is 62613466775304.

It is a super-2 number, since 2×40357766431626² (a number of 28 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 40357766431626.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 102047716 + ... + 102442431.

It is an arithmetic number, because the mean of its divisors is an integer number (1491960119808).

Almost surely, 2^{40357766431626} is an apocalyptic number.

40357766431626 is an abundant number, since it is smaller than the sum of its proper divisors (55127681236086).

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

40357766431626 is a wasteful number, since it uses less digits than its factorization.

40357766431626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204490323.

The product of its (nonzero) digits is 91445760, while the sum is 60.

The spelling of 40357766431626 in words is "forty trillion, three hundred fifty-seven billion, seven hundred sixty-six million, four hundred thirty-one thousand, six hundred twenty-six".