285534792980 has 24 divisors (see below), whose sum is σ = 599640112512. Its totient is φ = 114210670112.

The previous prime is 285534792941. The next prime is 285534793001. The reversal of 285534792980 is 89297435582.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 594569 + ... + 961551.

It is an arithmetic number, because the mean of its divisors is an integer number (24985004688).

Almost surely, 2^285534792980 is an apocalyptic number.

285534792980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

285534792980 is an abundant number, since it is smaller than the sum of its proper divisors (314105319532).

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

285534792980 is a wasteful number, since it uses less digits than its factorization.

285534792980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 405895 (or 405893 counting only the distinct ones).

The product of its (nonzero) digits is 43545600, while the sum is 62.

The spelling of 285534792980 in words is "two hundred eighty-five billion, five hundred thirty-four million, seven hundred ninety-two thousand, nine hundred eighty".