3654640132 has 48 divisors (see below), whose sum is σ = 7526945664. Its totient is φ = 1530720000.

The previous prime is 3654640123. The next prime is 3654640141. The reversal of 3654640132 is 2310464563.

It is an interprime number because it is at equal distance from previous prime (3654640123) and next prime (3654640141).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 338457 + ... + 349087.

It is an arithmetic number, because the mean of its divisors is an integer number (156811368).

Almost surely, 2^3654640132 is an apocalyptic number.

It is an amenable number.

3654640132 is an abundant number, since it is smaller than the sum of its proper divisors (3872305532).

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

3654640132 is a wasteful number, since it uses less digits than its factorization.

3654640132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11260 (or 11258 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 34.

The square root of 3654640132 is about 60453.6196765752. The cubic root of 3654640132 is about 1540.3338979155. Note that the first 3 decimals are identical.

Subtracting from 3654640132 its reverse (2310464563), we obtain a square (1344175569 = 36663²).

The spelling of 3654640132 in words is "three billion, six hundred fifty-four million, six hundred forty thousand, one hundred thirty-two".