64594944 has 132 divisors (see below), whose sum is σ = 192024976. Its totient is φ = 20901888.

The previous prime is 64594939. The next prime is 64594961. The reversal of 64594944 is 44949546.

It is a self number, because there is not a number n which added to its sum of digits gives 64594944.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 396207 + ... + 396369.

Almost surely, 2^64594944 is an apocalyptic number.

64594944 is a gapful number since it is divisible by the number (64) 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 64594944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96012488).

64594944 is an abundant number, since it is smaller than the sum of its proper divisors (127430032).

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

64594944 is a wasteful number, since it uses less digits than its factorization.

64594944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232 (or 211 counting only the distinct ones).

The product of its digits is 622080, while the sum is 45.

The square root of 64594944 is about 8037.0979837252. The cubic root of 64594944 is about 401.2356456856.

The spelling of 64594944 in words is "sixty-four million, five hundred ninety-four thousand, nine hundred forty-four".