382506531385 has 32 divisors (see below), whose sum is σ = 509623052544. Its totient is φ = 273277536000.

The previous prime is 382506531371. The next prime is 382506531401. The reversal of 382506531385 is 583135605283.

It is not a de Polignac number, because 382506531385 - 2¹¹ = 382506529337 is a prime.

It is a super-2 number, since 2×382506531385² (a number of 24 digits) contains 22 as substring.

It is a Duffinian 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, 904875 + ... + 1258495.

It is an arithmetic number, because the mean of its divisors is an integer number (15925720392).

Almost surely, 2^382506531385 is an apocalyptic number.

It is an amenable number.

382506531385 is a deficient number, since it is larger than the sum of its proper divisors (127116521159).

382506531385 is a wasteful number, since it uses less digits than its factorization.

382506531385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353985.

The product of its (nonzero) digits is 2592000, while the sum is 49.

The spelling of 382506531385 in words is "three hundred eighty-two billion, five hundred six million, five hundred thirty-one thousand, three hundred eighty-five".