32612978944 has 144 divisors (see below), whose sum is σ = 84339364480. Its totient is φ = 12222627840.

The previous prime is 32612978903. The next prime is 32612978987. The reversal of 32612978944 is 44987921623.

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, 405784 + ... + 479464.

Almost surely, 2^32612978944 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 32612978944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42169682240).

32612978944 is an abundant number, since it is smaller than the sum of its proper divisors (51726385536).

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

32612978944 is a wasteful number, since it uses less digits than its factorization.

32612978944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73736 (or 73722 counting only the distinct ones).

The product of its digits is 5225472, while the sum is 55.

The spelling of 32612978944 in words is "thirty-two billion, six hundred twelve million, nine hundred seventy-eight thousand, nine hundred forty-four".