40812526056621 has 24 divisors (see below), whose sum is σ = 59619550074336. Its totient is φ = 24628704979840.

The previous prime is 40812526056613. The next prime is 40812526056623. The reversal of 40812526056621 is 12665062521804.

It is not a de Polignac number, because 40812526056621 - 2³ = 40812526056613 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40812526056623) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9598830 + ... + 13181903.

It is an arithmetic number, because the mean of its divisors is an integer number (2484147919764).

Almost surely, 2^{40812526056621} is an apocalyptic number.

It is an amenable number.

40812526056621 is a deficient number, since it is larger than the sum of its proper divisors (18807024017715).

40812526056621 is a wasteful number, since it uses less digits than its factorization.

40812526056621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22781213 (or 22780980 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 48.

The spelling of 40812526056621 in words is "forty trillion, eight hundred twelve billion, five hundred twenty-six million, fifty-six thousand, six hundred twenty-one".