40320409902860 has 48 divisors (see below), whose sum is σ = 85227490656000. Its totient is φ = 16022766158784.

The previous prime is 40320409902859. The next prime is 40320409902881. The reversal of 40320409902860 is 6820990402304.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5063642 + ... + 10309281.

It is an arithmetic number, because the mean of its divisors is an integer number (1775572722000).

Almost surely, 2^{40320409902860} is an apocalyptic number.

It is an amenable number.

40320409902860 is an abundant number, since it is smaller than the sum of its proper divisors (44907080753140).

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

40320409902860 is a wasteful number, since it uses less digits than its factorization.

40320409902860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15373790 (or 15373788 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 47.

The spelling of 40320409902860 in words is "forty trillion, three hundred twenty billion, four hundred nine million, nine hundred two thousand, eight hundred sixty".