4398087137832 has 96 divisors (see below), whose sum is σ = 12358830163680. Its totient is φ = 1465295832000.

The previous prime is 4398087137813. The next prime is 4398087137833. The reversal of 4398087137832 is 2387317808934.

4398087137832 is a `hidden beast` number, since 4 + 398 + 0 + 87 + 137 + 8 + 32 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 4398087137832.

It is not an unprimeable number, because it can be changed into a prime (4398087137833) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3329082 + ... + 4458582.

It is an arithmetic number, because the mean of its divisors is an integer number (128737814205).

Almost surely, 2^{4398087137832} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4398087137832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6179415081840).

4398087137832 is an abundant number, since it is smaller than the sum of its proper divisors (7960743025848).

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

4398087137832 is a wasteful number, since it uses less digits than its factorization.

4398087137832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1131525 (or 1131509 counting only the distinct ones).

The product of its (nonzero) digits is 48771072, while the sum is 63.

The spelling of 4398087137832 in words is "four trillion, three hundred ninety-eight billion, eighty-seven million, one hundred thirty-seven thousand, eight hundred thirty-two".