4640102640 has 60 divisors (see below), whose sum is σ = 15583013784. Its totient is φ = 1237360512.

The previous prime is 4640102629. The next prime is 4640102681. The reversal of 4640102640 is 462010464.

4640102640 is a `hidden beast` number, since 4 + 6 + 4 + 0 + 10 + 2 + 640 = 666.

It is a tau number, because it is divible by the number of its divisors (60).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3221574 + ... + 3223013.

Almost surely, 2^4640102640 is an apocalyptic number.

4640102640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4640102640 is an abundant number, since it is smaller than the sum of its proper divisors (10942911144).

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

4640102640 is a wasteful number, since it uses less digits than its factorization.

4640102640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6444606 (or 6444597 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 4640102640 is about 68118.2988630808. The cubic root of 4640102640 is about 1667.9224814310.

The spelling of 4640102640 in words is "four billion, six hundred forty million, one hundred two thousand, six hundred forty".