495745769856 has 128 divisors (see below), whose sum is σ = 1418367772800. Its totient is φ = 152910471168.

The previous prime is 495745769843. The next prime is 495745769887. The reversal of 495745769856 is 658967547594.

It is a tau number, because it is divible by the number of its divisors (128).

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, 476361 + ... + 1103816.

It is an arithmetic number, because the mean of its divisors is an integer number (11080998225).

Almost surely, 2^495745769856 is an apocalyptic number.

It is an amenable number.

495745769856 is an abundant number, since it is smaller than the sum of its proper divisors (922622002944).

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

495745769856 is a wasteful number, since it uses less digits than its factorization.

495745769856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1580256 (or 1580244 counting only the distinct ones).

The product of its digits is 2286144000, while the sum is 75.

The spelling of 495745769856 in words is "four hundred ninety-five billion, seven hundred forty-five million, seven hundred sixty-nine thousand, eight hundred fifty-six".