3599640144 has 60 divisors (see below), whose sum is σ = 10398973312. Its totient is φ = 1161172800.

The previous prime is 3599640137. The next prime is 3599640173. The reversal of 3599640144 is 4410469953.

3599640144 is a `hidden beast` number, since 3 + 599 + 6 + 40 + 14 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 3599640144.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 398722 + ... + 407649.

Almost surely, 2^3599640144 is an apocalyptic number.

It is an amenable number.

3599640144 is an abundant number, since it is smaller than the sum of its proper divisors (6799333168).

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

3599640144 is a wasteful number, since it uses less digits than its factorization.

3599640144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 806416 (or 806407 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 45.

The square root of 3599640144 is about 59997.0011250562. The cubic root of 3599640144 is about 1532.5677962249.

The spelling of 3599640144 in words is "three billion, five hundred ninety-nine million, six hundred forty thousand, one hundred forty-four".