3660444372 has 24 divisors (see below), whose sum is σ = 9198040096. Its totient is φ = 1126290528.

The previous prime is 3660444367. The next prime is 3660444379. The reversal of 3660444372 is 2734440663.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 3660444372.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3660444379) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11732038 + ... + 11732349.

Almost surely, 2^3660444372 is an apocalyptic number.

It is an amenable number.

3660444372 is an abundant number, since it is smaller than the sum of its proper divisors (5537595724).

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

3660444372 is a wasteful number, since it uses less digits than its factorization.

3660444372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23464407 (or 23464405 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 39.

The square root of 3660444372 is about 60501.6063588398. The cubic root of 3660444372 is about 1541.1489110164.

The spelling of 3660444372 in words is "three billion, six hundred sixty million, four hundred forty-four thousand, three hundred seventy-two".