3640462880 has 48 divisors (see below), whose sum is σ = 8616245400. Its totient is φ = 1453535232.

The previous prime is 3640462867. The next prime is 3640462901. The reversal of 3640462880 is 882640463.

It can be written as a sum of positive squares in 4 ways, for example, as 2429701264 + 1210761616 = 49292^2 + 34796^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68696 + ... + 109544.

Almost surely, 2^3640462880 is an apocalyptic number.

It is an amenable number.

3640462880 is an abundant number, since it is smaller than the sum of its proper divisors (4975782520).

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

3640462880 is a wasteful number, since it uses less digits than its factorization.

3640462880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41421 (or 41413 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 41.

The square root of 3640462880 is about 60336.2484746939. The cubic root of 3640462880 is about 1538.3395382333.

The spelling of 3640462880 in words is "three billion, six hundred forty million, four hundred sixty-two thousand, eight hundred eighty".