385313534452 has 48 divisors (see below), whose sum is σ = 884930618880. Its totient is φ = 142220988000.

The previous prime is 385313534449. The next prime is 385313534497. The reversal of 385313534452 is 254435313583.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32915674 + ... + 32927377.

It is an arithmetic number, because the mean of its divisors is an integer number (18436054560).

Almost surely, 2^385313534452 is an apocalyptic number.

It is an amenable number.

385313534452 is an abundant number, since it is smaller than the sum of its proper divisors (499617084428).

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

385313534452 is a wasteful number, since it uses less digits than its factorization.

385313534452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65843092 (or 65843090 counting only the distinct ones).

The product of its digits is 2592000, while the sum is 46.

The spelling of 385313534452 in words is "three hundred eighty-five billion, three hundred thirteen million, five hundred thirty-four thousand, four hundred fifty-two".