285118272 has 56 divisors (see below), whose sum is σ = 838200000. Its totient is φ = 95038848.

The previous prime is 285118261. The next prime is 285118277. The reversal of 285118272 is 272811582.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (285118277) 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, 80772 + ... + 84227.

Almost surely, 2^285118272 is an apocalyptic number.

It is an amenable number.

285118272 is an abundant number, since it is smaller than the sum of its proper divisors (553081728).

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

285118272 is a wasteful number, since it uses less digits than its factorization.

285118272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165020 (or 165004 counting only the distinct ones).

The product of its digits is 17920, while the sum is 36.

The square root of 285118272 is about 16885.4455671149. The cubic root of 285118272 is about 658.1754566392.

It can be divided in two parts, 285118 and 272, that added together give a triangular number (285390 = T₇₅₅).

The spelling of 285118272 in words is "two hundred eighty-five million, one hundred eighteen thousand, two hundred seventy-two".