3640305084 has 48 divisors (see below), whose sum is σ = 9151255680. Its totient is φ = 1119625920.

The previous prime is 3640305049. The next prime is 3640305157. The reversal of 3640305084 is 4805030463.

It is a super-2 number, since 2×3640305084² = 26503642209192494112, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 655399 + ... + 660929.

It is an arithmetic number, because the mean of its divisors is an integer number (190651160).

Almost surely, 2^3640305084 is an apocalyptic number.

It is an amenable number.

3640305084 is an abundant number, since it is smaller than the sum of its proper divisors (5510950596).

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

3640305084 is a wasteful number, since it uses less digits than its factorization.

3640305084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9770 (or 9768 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 33.

The square root of 3640305084 is about 60334.9408220477. The cubic root of 3640305084 is about 1538.3173114505.

The spelling of 3640305084 in words is "three billion, six hundred forty million, three hundred five thousand, eighty-four".