385512512 has 56 divisors (see below), whose sum is σ = 953780160. Its totient is φ = 150197760.

The previous prime is 385512503. The next prime is 385512521. The reversal of 385512512 is 215215583.

It is an interprime number because it is at equal distance from previous prime (385512503) and next prime (385512521).

It is a tau number, because it is divible by the number of its divisors (56).

It is a Harshad number since it is a multiple of its sum of digits (32).

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, 34187 + ... + 44042.

Almost surely, 2^385512512 is an apocalyptic number.

385512512 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

385512512 is an abundant number, since it is smaller than the sum of its proper divisors (568267648).

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

385512512 is a wasteful number, since it uses less digits than its factorization.

385512512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78259 (or 78249 counting only the distinct ones).

The product of its digits is 12000, while the sum is 32.

The square root of 385512512 is about 19634.4725419350. The cubic root of 385512512 is about 727.8012982646.

The spelling of 385512512 in words is "three hundred eighty-five million, five hundred twelve thousand, five hundred twelve".