3265642620 has 72 divisors (see below), whose sum is σ = 10147410000. Its totient is φ = 849596160.

The previous prime is 3265642543. The next prime is 3265642687. The reversal of 3265642620 is 262465623.

3265642620 is a `hidden beast` number, since 3 + 2 + 6 + 5 + 642 + 6 + 2 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 213870 + ... + 228629.

It is an arithmetic number, because the mean of its divisors is an integer number (140936250).

Almost surely, 2^3265642620 is an apocalyptic number.

3265642620 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3265642620 is an abundant number, since it is smaller than the sum of its proper divisors (6881767380).

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

3265642620 is a wasteful number, since it uses less digits than its factorization.

3265642620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 442555 (or 442550 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 36.

The square root of 3265642620 is about 57145.8014205768. The cubic root of 3265642620 is about 1483.6207034307.

The spelling of 3265642620 in words is "three billion, two hundred sixty-five million, six hundred forty-two thousand, six hundred twenty".