3642658768 has 40 divisors (see below), whose sum is σ = 8119341440. Its totient is φ = 1550793600.

The previous prime is 3642658727. The next prime is 3642658781. The reversal of 3642658768 is 8678562463.

It is a congruent number.

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, 90783 + ... + 124606.

It is an arithmetic number, because the mean of its divisors is an integer number (202983536).

Almost surely, 2^3642658768 is an apocalyptic number.

It is an amenable number.

3642658768 is an abundant number, since it is smaller than the sum of its proper divisors (4476682672).

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

3642658768 is a wasteful number, since it uses less digits than its factorization.

3642658768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215555 (or 215549 counting only the distinct ones).

The product of its digits is 11612160, while the sum is 55.

The square root of 3642658768 is about 60354.4428190668. The cubic root of 3642658768 is about 1538.6487793450.

The spelling of 3642658768 in words is "three billion, six hundred forty-two million, six hundred fifty-eight thousand, seven hundred sixty-eight".