662004040 has 32 divisors (see below), whose sum is σ = 1525842360. Its totient is φ = 258342400.

The previous prime is 662004029. The next prime is 662004043. The reversal of 662004040 is 40400266.

It can be written as a sum of positive squares in 4 ways, for example, as 411035076 + 250968964 = 20274^2 + 15842^2 .

It is not an unprimeable number, because it can be changed into a prime (662004043) 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, 200191 + ... + 203470.

Almost surely, 2^662004040 is an apocalyptic number.

It is an amenable number.

662004040 is an abundant number, since it is smaller than the sum of its proper divisors (863838320).

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

662004040 is a wasteful number, since it uses less digits than its factorization.

662004040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403713 (or 403709 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 662004040 is about 25729.4391699469. The cubic root of 662004040 is about 871.5391084876.

The spelling of 662004040 in words is "six hundred sixty-two million, four thousand, forty".