3320643432 has 32 divisors (see below), whose sum is σ = 8303042880. Its totient is φ = 1106689920.

The previous prime is 3320643421. The next prime is 3320643437. The reversal of 3320643432 is 2343460233.

It is a super-2 number, since 2×3320643432² = 22053345604969477248, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3320643432.

It is not an unprimeable number, because it can be changed into a prime (3320643437) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 228957 + ... + 243027.

It is an arithmetic number, because the mean of its divisors is an integer number (259470090).

Almost surely, 2^3320643432 is an apocalyptic number.

It is an amenable number.

3320643432 is an abundant number, since it is smaller than the sum of its proper divisors (4982399448).

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

3320643432 is a wasteful number, since it uses less digits than its factorization.

3320643432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23913 (or 23909 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 30.

The square root of 3320643432 is about 57625.0243557432. The cubic root of 3320643432 is about 1491.9035520938.

The spelling of 3320643432 in words is "three billion, three hundred twenty million, six hundred forty-three thousand, four hundred thirty-two".