285063452688 has 160 divisors (see below), whose sum is σ = 869930606592. Its totient is φ = 78713625600.

The previous prime is 285063452677. The next prime is 285063452701. The reversal of 285063452688 is 886254360582.

It is a super-2 number, since 2×285063452688² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7908595 + ... + 7944557.

Almost surely, 2^285063452688 is an apocalyptic number.

285063452688 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 285063452688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (434965303296).

285063452688 is an abundant number, since it is smaller than the sum of its proper divisors (584867153904).

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

285063452688 is a wasteful number, since it uses less digits than its factorization.

285063452688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36773 (or 36767 counting only the distinct ones).

The product of its (nonzero) digits is 22118400, while the sum is 57.

The spelling of 285063452688 in words is "two hundred eighty-five billion, sixty-three million, four hundred fifty-two thousand, six hundred eighty-eight".