40552421256 has 64 divisors (see below), whose sum is σ = 114036350400. Its totient is φ = 13517467920.

The previous prime is 40552421243. The next prime is 40552421263. The reversal of 40552421256 is 65212425504.

40552421256 is a `hidden beast` number, since 4 + 0 + 5 + 524 + 2 + 125 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 40552421256.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1141410 + ... + 1176401.

It is an arithmetic number, because the mean of its divisors is an integer number (1781817975).

Almost surely, 2^40552421256 is an apocalyptic number.

It is an amenable number.

40552421256 is an abundant number, since it is smaller than the sum of its proper divisors (73483929144).

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

40552421256 is an equidigital number, since it uses as much as digits as its factorization.

40552421256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2317838 (or 2317816 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 36.

The spelling of 40552421256 in words is "forty billion, five hundred fifty-two million, four hundred twenty-one thousand, two hundred fifty-six".