385818560 has 224 divisors, whose sum is σ = 1053388800. Its totient is φ = 133816320.

The previous prime is 385818527. The next prime is 385818571. The reversal of 385818560 is 65818583.

It is a super-2 number, since 2×385818560² = 297711922480947200, 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 31 ways as a sum of consecutive naturals, for example, 4334996 + ... + 4335084.

Almost surely, 2^385818560 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 385818560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (526694400).

385818560 is an abundant number, since it is smaller than the sum of its proper divisors (667570240).

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

385818560 is a wasteful number, since it uses less digits than its factorization.

385818560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179 (or 169 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 44.

The square root of 385818560 is about 19642.2646352196. The cubic root of 385818560 is about 727.9938412714.

The spelling of 385818560 in words is "three hundred eighty-five million, eight hundred eighteen thousand, five hundred sixty".