19862562832 has 80 divisors (see below), whose sum is σ = 45106612992. Its totient is φ = 8295229440.

The previous prime is 19862562829. The next prime is 19862562877. The reversal of 19862562832 is 23826526891.

It is a self number, because there is not a number n which added to its sum of digits gives 19862562832.

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, 5035453 + ... + 5039395.

Almost surely, 2^19862562832 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 19862562832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22553306496).

19862562832 is an abundant number, since it is smaller than the sum of its proper divisors (25244050160).

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

19862562832 is a wasteful number, since it uses less digits than its factorization.

19862562832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5096 (or 5090 counting only the distinct ones).

The product of its digits is 2488320, while the sum is 52.

The spelling of 19862562832 in words is "nineteen billion, eight hundred sixty-two million, five hundred sixty-two thousand, eight hundred thirty-two".