385132042818 has 32 divisors (see below), whose sum is σ = 866415030720. Its totient is φ = 128377346148.

The previous prime is 385132042817. The next prime is 385132042831. The reversal of 385132042818 is 818240231583.

385132042818 is a `hidden beast` number, since 3 + 85 + 132 + 0 + 428 + 18 = 666.

It is a super-2 number, since 2×385132042818² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (385132042817) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44020780 + ... + 44029527.

It is an arithmetic number, because the mean of its divisors is an integer number (27075469710).

Almost surely, 2^385132042818 is an apocalyptic number.

385132042818 is an abundant number, since it is smaller than the sum of its proper divisors (481282987902).

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

385132042818 is an frugal number, since it uses more digits than its factorization.

385132042818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88050330 (or 88050312 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 45.

The spelling of 385132042818 in words is "three hundred eighty-five billion, one hundred thirty-two million, forty-two thousand, eight hundred eighteen".