3640213292 has 6 divisors (see below), whose sum is σ = 6370373268. Its totient is φ = 1820106644.

The previous prime is 3640213261. The next prime is 3640213303. The reversal of 3640213292 is 2923120463.

It is a super-2 number, since 2×3640213292² = 26502305622506954528, which contains 22 as substring.

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 as a sum of consecutive naturals, namely, 455026658 + ... + 455026665.

It is an arithmetic number, because the mean of its divisors is an integer number (1061728878).

Almost surely, 2^3640213292 is an apocalyptic number.

It is an amenable number.

3640213292 is a deficient number, since it is larger than the sum of its proper divisors (2730159976).

3640213292 is a wasteful number, since it uses less digits than its factorization.

3640213292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 910053327 (or 910053325 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 32.

The square root of 3640213292 is about 60334.1801303374. The cubic root of 3640213292 is about 1538.3043815443.

It can be divided in two parts, 36402 and 13292, that added together give a palindrome (49694).

The spelling of 3640213292 in words is "three billion, six hundred forty million, two hundred thirteen thousand, two hundred ninety-two".