3665630442 has 32 divisors (see below), whose sum is σ = 7720027200. Its totient is φ = 1157131008.

The previous prime is 3665630431. The next prime is 3665630473. The reversal of 3665630442 is 2440365663.

It is a self number, because there is not a number n which added to its sum of digits gives 3665630442.

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, 442434 + ... + 450642.

It is an arithmetic number, because the mean of its divisors is an integer number (241250850).

Almost surely, 2^3665630442 is an apocalyptic number.

3665630442 is an abundant number, since it is smaller than the sum of its proper divisors (4054396758).

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

3665630442 is a wasteful number, since it uses less digits than its factorization.

3665630442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12150.

The product of its (nonzero) digits is 311040, while the sum is 39.

The square root of 3665630442 is about 60544.4501337654. The cubic root of 3665630442 is about 1541.8763941423.

The spelling of 3665630442 in words is "three billion, six hundred sixty-five million, six hundred thirty thousand, four hundred forty-two".