8345405832 has 32 divisors (see below), whose sum is σ = 21174914400. Its totient is φ = 2740281984.

The previous prime is 8345405819. The next prime is 8345405843. The reversal of 8345405832 is 2385045438.

It is a super-2 number, since 2×8345405832² (a number of 21 digits) contains 22 as substring.

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, 2593357 + ... + 2596572.

It is an arithmetic number, because the mean of its divisors is an integer number (661716075).

Almost surely, 2^8345405832 is an apocalyptic number.

It is an amenable number.

8345405832 is an abundant number, since it is smaller than the sum of its proper divisors (12829508568).

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

8345405832 is a wasteful number, since it uses less digits than its factorization.

8345405832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5190005 (or 5190001 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 42.

The square root of 8345405832 is about 91353.1927849268. The cubic root of 8345405832 is about 2028.3792244700.

The spelling of 8345405832 in words is "eight billion, three hundred forty-five million, four hundred five thousand, eight hundred thirty-two".