3608668040 has 16 divisors (see below), whose sum is σ = 8119503180. Its totient is φ = 1443467200.

The previous prime is 3608668009. The next prime is 3608668051. The reversal of 3608668040 is 408668063.

It can be written as a sum of positive squares in 2 ways, for example, as 3295448836 + 313219204 = 57406^2 + 17698^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45108311 + ... + 45108390.

Almost surely, 2^3608668040 is an apocalyptic number.

It is an amenable number.

3608668040 is an abundant number, since it is smaller than the sum of its proper divisors (4510835140).

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

3608668040 is a wasteful number, since it uses less digits than its factorization.

3608668040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90216712 (or 90216708 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 41.

The square root of 3608668040 is about 60072.1902380794. The cubic root of 3608668040 is about 1533.8479530771.

The spelling of 3608668040 in words is "three billion, six hundred eight million, six hundred sixty-eight thousand, forty".