8400459837156 has 48 divisors (see below), whose sum is σ = 19704782684160. Its totient is φ = 2785339221280.

The previous prime is 8400459837137. The next prime is 8400459837169. The reversal of 8400459837156 is 6517389540048.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 8400459837156.

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, 46085965 + ... + 46267883.

It is an arithmetic number, because the mean of its divisors is an integer number (410516305920).

Almost surely, 2^{8400459837156} is an apocalyptic number.

It is an amenable number.

8400459837156 is an abundant number, since it is smaller than the sum of its proper divisors (11304322847004).

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

8400459837156 is a wasteful number, since it uses less digits than its factorization.

8400459837156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202264 (or 202262 counting only the distinct ones).

The product of its (nonzero) digits is 29030400, while the sum is 60.

The spelling of 8400459837156 in words is "eight trillion, four hundred billion, four hundred fifty-nine million, eight hundred thirty-seven thousand, one hundred fifty-six".