662039900560 has 40 divisors (see below), whose sum is σ = 1539305998200. Its totient is φ = 264805082112.

The previous prime is 662039900497. The next prime is 662039900563. The reversal of 662039900560 is 65009930266.

It can be written as a sum of positive squares in 4 ways, for example, as 14407681024 + 647632219536 = 120032^2 + 804756^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 662039900560.

It is not an unprimeable number, because it can be changed into a prime (662039900563) 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, 1954666 + ... + 2268214.

It is an arithmetic number, because the mean of its divisors is an integer number (38482649955).

Almost surely, 2^662039900560 is an apocalyptic number.

It is an amenable number.

662039900560 is an abundant number, since it is smaller than the sum of its proper divisors (877266097640).

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

662039900560 is a wasteful number, since it uses less digits than its factorization.

662039900560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 339955 (or 339949 counting only the distinct ones).

The product of its (nonzero) digits is 524880, while the sum is 46.

The spelling of 662039900560 in words is "six hundred sixty-two billion, thirty-nine million, nine hundred thousand, five hundred sixty".