40813624578256 has 20 divisors (see below), whose sum is σ = 80416675548000. Its totient is φ = 20060934114272.

The previous prime is 40813624578227. The next prime is 40813624578283. The reversal of 40813624578256 is 65287542631804.

It is a junction number, because it is equal to n+sod(n) for n = 40813624578194 and 40813624578203.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21617384956 + ... + 21617386843.

It is an arithmetic number, because the mean of its divisors is an integer number (4020833777400).

Almost surely, 2^{40813624578256} is an apocalyptic number.

It is an amenable number.

40813624578256 is a deficient number, since it is larger than the sum of its proper divisors (39603050969744).

40813624578256 is a wasteful number, since it uses less digits than its factorization.

40813624578256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43234771866 (or 43234771860 counting only the distinct ones).

The product of its (nonzero) digits is 77414400, while the sum is 61.

The spelling of 40813624578256 in words is "forty trillion, eight hundred thirteen billion, six hundred twenty-four million, five hundred seventy-eight thousand, two hundred fifty-six".