855484490496 has 72 divisors (see below), whose sum is σ = 2410767911664. Its totient is φ = 268387287040.

The previous prime is 855484490491. The next prime is 855484490503. The reversal of 855484490496 is 694094484558.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (855484490491) 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, 32749065 + ... + 32775176.

It is an arithmetic number, because the mean of its divisors is an integer number (33482887662).

Almost surely, 2^855484490496 is an apocalyptic number.

It is an amenable number.

855484490496 is an abundant number, since it is smaller than the sum of its proper divisors (1555283421168).

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

855484490496 is a wasteful number, since it uses less digits than its factorization.

855484490496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65524277 (or 65524263 counting only the distinct ones).

The product of its (nonzero) digits is 199065600, while the sum is 66.

The spelling of 855484490496 in words is "eight hundred fifty-five billion, four hundred eighty-four million, four hundred ninety thousand, four hundred ninety-six".