332750640 has 80 divisors (see below), whose sum is σ = 1067119200. Its totient is φ = 85671936.

The previous prime is 332750623. The next prime is 332750651. The reversal of 332750640 is 46057233.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×332750640² = 221445976840819200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 332750598 and 332750607.

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, 16945 + ... + 30864.

It is an arithmetic number, because the mean of its divisors is an integer number (13338990).

Almost surely, 2^332750640 is an apocalyptic number.

332750640 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

332750640 is an abundant number, since it is smaller than the sum of its proper divisors (734368560).

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

332750640 is a wasteful number, since it uses less digits than its factorization.

332750640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47854 (or 47848 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 30.

The square root of 332750640 is about 18241.4538894245. The cubic root of 332750640 is about 692.9570217116.

The spelling of 332750640 in words is "three hundred thirty-two million, seven hundred fifty thousand, six hundred forty".