19672832256 has 288 divisors, whose sum is σ = 68717644800. Its totient is φ = 4840611840.

The previous prime is 19672832239. The next prime is 19672832279. The reversal of 19672832256 is 65223827691.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 19672832199 and 19672832208.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1114830 + ... + 1132338.

Almost surely, 2^19672832256 is an apocalyptic number.

19672832256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 19672832256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34358822400).

19672832256 is an abundant number, since it is smaller than the sum of its proper divisors (49044812544).

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

19672832256 is a wasteful number, since it uses less digits than its factorization.

19672832256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17565 (or 17551 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 51.

The spelling of 19672832256 in words is "nineteen billion, six hundred seventy-two million, eight hundred thirty-two thousand, two hundred fifty-six".