40390313035856 has 40 divisors (see below), whose sum is σ = 90567790552320. Its totient is φ = 17091018532224.

The previous prime is 40390313035843. The next prime is 40390313035859. The reversal of 40390313035856 is 65853031309304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40390313035859) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2282445551 + ... + 2282463246.

It is an arithmetic number, because the mean of its divisors is an integer number (2264194763808).

Almost surely, 2^{40390313035856} is an apocalyptic number.

It is an amenable number.

40390313035856 is an abundant number, since it is smaller than the sum of its proper divisors (50177477516464).

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

40390313035856 is a wasteful number, since it uses less digits than its factorization.

40390313035856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4564908891 (or 4564908885 counting only the distinct ones).

The product of its (nonzero) digits is 3499200, while the sum is 50.

The spelling of 40390313035856 in words is "forty trillion, three hundred ninety billion, three hundred thirteen million, thirty-five thousand, eight hundred fifty-six".