386705505132 has 48 divisors (see below), whose sum is σ = 1003675451520. Its totient is φ = 128759683536.

The previous prime is 386705505107. The next prime is 386705505161. The reversal of 386705505132 is 231505507683.

386705505132 is a `hidden beast` number, since 3 + 8 + 6 + 7 + 0 + 5 + 505 + 132 = 666.

It is a super-2 number, since 2×386705505132² (a number of 24 digits) contains 22 as substring.

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, 1875918 + ... + 2071829.

It is an arithmetic number, because the mean of its divisors is an integer number (20909905240).

Almost surely, 2^386705505132 is an apocalyptic number.

It is an amenable number.

386705505132 is an abundant number, since it is smaller than the sum of its proper divisors (616969946388).

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

386705505132 is a wasteful number, since it uses less digits than its factorization.

386705505132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3948667 (or 3948659 counting only the distinct ones).

The product of its (nonzero) digits is 756000, while the sum is 45.

The spelling of 386705505132 in words is "three hundred eighty-six billion, seven hundred five million, five hundred five thousand, one hundred thirty-two".