662956040 has 16 divisors (see below), whose sum is σ = 1491651180. Its totient is φ = 265182400.

The previous prime is 662956027. The next prime is 662956061. The reversal of 662956040 is 40659266.

It can be written as a sum of positive squares in 2 ways, for example, as 636351076 + 26604964 = 25226^2 + 5158^2 .

It is a junction number, because it is equal to n+sod(n) for n = 662955985 and 662956003.

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, 8286911 + ... + 8286990.

Almost surely, 2^662956040 is an apocalyptic number.

It is an amenable number.

662956040 is an abundant number, since it is smaller than the sum of its proper divisors (828695140).

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

662956040 is a wasteful number, since it uses less digits than its factorization.

662956040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16573912 (or 16573908 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 38.

The square root of 662956040 is about 25747.9327325516. The cubic root of 662956040 is about 871.9566828916.

The spelling of 662956040 in words is "six hundred sixty-two million, nine hundred fifty-six thousand, forty".