19791262632 has 32 divisors (see below), whose sum is σ = 49592450880. Its totient is φ = 6581848320.

The previous prime is 19791262609. The next prime is 19791262639. The reversal of 19791262632 is 23626219791.

It is not an unprimeable number, because it can be changed into a prime (19791262639) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 941844 + ... + 962627.

It is an arithmetic number, because the mean of its divisors is an integer number (1549764090).

Almost surely, 2^19791262632 is an apocalyptic number.

19791262632 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

19791262632 is an abundant number, since it is smaller than the sum of its proper divisors (29801188248).

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

19791262632 is a wasteful number, since it uses less digits than its factorization.

19791262632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1904913 (or 1904909 counting only the distinct ones).

The product of its digits is 489888, while the sum is 48.

The spelling of 19791262632 in words is "nineteen billion, seven hundred ninety-one million, two hundred sixty-two thousand, six hundred thirty-two".