285040760 has 32 divisors (see below), whose sum is σ = 644716800. Its totient is φ = 113416320.

The previous prime is 285040757. The next prime is 285040787. The reversal of 285040760 is 67040582.

285040760 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×285040760² = 162496469722755200, which contains 22 as substring.

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, 11015 + ... + 26294.

It is an arithmetic number, because the mean of its divisors is an integer number (20147400).

Almost surely, 2^285040760 is an apocalyptic number.

285040760 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

285040760 is an abundant number, since it is smaller than the sum of its proper divisors (359676040).

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

285040760 is a wasteful number, since it uses less digits than its factorization.

285040760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37511 (or 37507 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 285040760 is about 16883.1501799871. The cubic root of 285040760 is about 658.1158075686.

The spelling of 285040760 in words is "two hundred eighty-five million, forty thousand, seven hundred sixty".