490694646016 has 27 divisors (see below), whose sum is σ = 979494888673. Its totient is φ = 245341719040.

The previous prime is 490694645993. The next prime is 490694646037. The reversal of 490694646016 is 610646496094.

The square root of 490694646016 is 700496.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 486221711616 + 4472934400 = 697296^2 + 66880^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 11186046 + ... + 11229826.

Almost surely, 2^490694646016 is an apocalyptic number.

490694646016 is the 700496-th square number.

It is an amenable number.

490694646016 is a deficient number, since it is larger than the sum of its proper divisors (488800242657).

490694646016 is an frugal number, since it uses more digits than its factorization.

490694646016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87578 (or 43783 counting only the distinct ones).

The product of its (nonzero) digits is 6718464, while the sum is 55.

The spelling of 490694646016 in words is "four hundred ninety billion, six hundred ninety-four million, six hundred forty-six thousand, sixteen".