32157853436 has 12 divisors (see below), whose sum is σ = 56326097520. Its totient is φ = 16064682720.

The previous prime is 32157853421. The next prime is 32157853439. The reversal of 32157853436 is 63435875123.

It is a super-2 number, since 2×32157853436² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32157853439) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3555920 + ... + 3564951.

It is an arithmetic number, because the mean of its divisors is an integer number (4693841460).

Almost surely, 2^32157853436 is an apocalyptic number.

It is an amenable number.

32157853436 is a deficient number, since it is larger than the sum of its proper divisors (24168244084).

32157853436 is a wasteful number, since it uses less digits than its factorization.

32157853436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7122004 (or 7122002 counting only the distinct ones).

The product of its digits is 1814400, while the sum is 47.

The spelling of 32157853436 in words is "thirty-two billion, one hundred fifty-seven million, eight hundred fifty-three thousand, four hundred thirty-six".