495644064860 has 48 divisors (see below), whose sum is σ = 1189686509760. Its totient is φ = 169915000320.

The previous prime is 495644064833. The next prime is 495644064887. The reversal of 495644064860 is 68460446594.

It is an interprime number because it is at equal distance from previous prime (495644064833) and next prime (495644064887).

It is a junction number, because it is equal to n+sod(n) for n = 495644064796 and 495644064805.

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, 1002920 + ... + 1413200.

It is an arithmetic number, because the mean of its divisors is an integer number (24785135620).

Almost surely, 2^495644064860 is an apocalyptic number.

It is an amenable number.

495644064860 is an abundant number, since it is smaller than the sum of its proper divisors (694042444900).

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

495644064860 is a wasteful number, since it uses less digits than its factorization.

495644064860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418926 (or 418924 counting only the distinct ones).

The product of its (nonzero) digits is 19906560, while the sum is 56.

The spelling of 495644064860 in words is "four hundred ninety-five billion, six hundred forty-four million, sixty-four thousand, eight hundred sixty".