373664256 has 160 divisors (see below), whose sum is σ = 1187923968. Its totient is φ = 102051840.

The previous prime is 373664251. The next prime is 373664303. The reversal of 373664256 is 652466373.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (373664251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 246541 + ... + 248051.

Almost surely, 2^373664256 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 373664256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (593961984).

373664256 is an abundant number, since it is smaller than the sum of its proper divisors (814259712).

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

373664256 is a wasteful number, since it uses less digits than its factorization.

373664256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1562 (or 1546 counting only the distinct ones).

The product of its digits is 544320, while the sum is 42.

The square root of 373664256 is about 19330.3972023339. The cubic root of 373664256 is about 720.2675548842.

The spelling of 373664256 in words is "three hundred seventy-three million, six hundred sixty-four thousand, two hundred fifty-six".