3640242572 has 24 divisors (see below), whose sum is σ = 6902024976. Its totient is φ = 1673215488.

The previous prime is 3640242563. The next prime is 3640242587. The reversal of 3640242572 is 2752420463.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 619553 + ... + 625400.

It is an arithmetic number, because the mean of its divisors is an integer number (287584374).

Almost surely, 2^3640242572 is an apocalyptic number.

It is an amenable number.

3640242572 is a deficient number, since it is larger than the sum of its proper divisors (3261782404).

3640242572 is a wasteful number, since it uses less digits than its factorization.

3640242572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1245017 (or 1245015 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 35.

The square root of 3640242572 is about 60334.4227783775. The cubic root of 3640242572 is about 1538.3085059759.

The spelling of 3640242572 in words is "three billion, six hundred forty million, two hundred forty-two thousand, five hundred seventy-two".