285327631031456 has 96 divisors (see below), whose sum is σ = 642814197591888. Its totient is φ = 123502144389120.

The previous prime is 285327631031447. The next prime is 285327631031551. The reversal of 285327631031456 is 654130136723582.

It can be written as a sum of positive squares in 8 ways, for example, as 232068053088400 + 53259577943056 = 15233780^2 + 7297916^2 .

It is a super-2 number, since 2×285327631031456² (a number of 30 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (56) coincides with the sum of the digits of its distinct prime factors.

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, 69802985 + ... + 73777448.

Almost surely, 2^{285327631031456} is an apocalyptic number.

285327631031456 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

285327631031456 is an abundant number, since it is smaller than the sum of its proper divisors (357486566560432).

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

285327631031456 is a wasteful number, since it uses less digits than its factorization.

285327631031456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143580754 (or 143580746 counting only the distinct ones).

The product of its (nonzero) digits is 21772800, while the sum is 56.

The spelling of 285327631031456 in words is "two hundred eighty-five trillion, three hundred twenty-seven billion, six hundred thirty-one million, thirty-one thousand, four hundred fifty-six".