32649772008 has 64 divisors (see below), whose sum is σ = 98772428160. Its totient is φ = 8779769856.

The previous prime is 32649771997. The next prime is 32649772021. The reversal of 32649772008 is 80027794623.

It is a super-2 number, since 2×32649772008² (a number of 22 digits) contains 22 as substring.

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, 5713141 + ... + 5718852.

It is an arithmetic number, because the mean of its divisors is an integer number (1543319190).

Almost surely, 2^32649772008 is an apocalyptic number.

It is an amenable number.

32649772008 is an abundant number, since it is smaller than the sum of its proper divisors (66122656152).

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

32649772008 is a wasteful number, since it uses less digits than its factorization.

32649772008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11432026 (or 11432022 counting only the distinct ones).

The product of its (nonzero) digits is 1016064, while the sum is 48.

The spelling of 32649772008 in words is "thirty-two billion, six hundred forty-nine million, seven hundred seventy-two thousand, eight".