18832433808 has 40 divisors (see below), whose sum is σ = 51512247648. Its totient is φ = 5908214272.

The previous prime is 18832433783. The next prime is 18832433831. The reversal of 18832433808 is 80833423881.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11538666 + ... + 11540297.

Almost surely, 2^18832433808 is an apocalyptic number.

It is an amenable number.

18832433808 is an abundant number, since it is smaller than the sum of its proper divisors (32679813840).

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

18832433808 is a wasteful number, since it uses less digits than its factorization.

18832433808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23078991 (or 23078985 counting only the distinct ones).

The product of its (nonzero) digits is 884736, while the sum is 48.

The spelling of 18832433808 in words is "eighteen billion, eight hundred thirty-two million, four hundred thirty-three thousand, eight hundred eight".