490764307885 has 16 divisors (see below), whose sum is σ = 619930618560. Its totient is φ = 371937000960.

The previous prime is 490764307879. The next prime is 490764307897. The reversal of 490764307885 is 588703467094.

It is a happy number.

It is not a de Polignac number, because 490764307885 - 2⁷ = 490764307757 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5251165 + ... + 5343805.

It is an arithmetic number, because the mean of its divisors is an integer number (38745663660).

Almost surely, 2^490764307885 is an apocalyptic number.

It is an amenable number.

490764307885 is a deficient number, since it is larger than the sum of its proper divisors (129166310675).

490764307885 is a wasteful number, since it uses less digits than its factorization.

490764307885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148428.

The product of its (nonzero) digits is 40642560, while the sum is 61.

The spelling of 490764307885 in words is "four hundred ninety billion, seven hundred sixty-four million, three hundred seven thousand, eight hundred eighty-five".