3650644544 has 28 divisors (see below), whose sum is σ = 7352379504. Its totient is φ = 1798076544.

The previous prime is 3650644531. The next prime is 3650644561. The reversal of 3650644544 is 4454460563.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

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 3 ways as a sum of consecutive naturals, for example, 421394 + ... + 429969.

Almost surely, 2^3650644544 is an apocalyptic number.

It is an amenable number.

3650644544 is an abundant number, since it is smaller than the sum of its proper divisors (3701734960).

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

3650644544 is an equidigital number, since it uses as much as digits as its factorization.

3650644544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 851442 (or 851432 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 41.

The square root of 3650644544 is about 60420.5639166004. The cubic root of 3650644544 is about 1539.7723484257.

The spelling of 3650644544 in words is "three billion, six hundred fifty million, six hundred forty-four thousand, five hundred forty-four".