13445875632 has 80 divisors (see below), whose sum is σ = 40000511232. Its totient is φ = 3812340480.

The previous prime is 13445875627. The next prime is 13445875633. The reversal of 13445875632 is 23657854431.

It is a super-2 number, since 2×13445875632² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (13445875633) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 108723 + ... + 196754.

Almost surely, 2^13445875632 is an apocalyptic number.

13445875632 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13445875632 is an abundant number, since it is smaller than the sum of its proper divisors (26554635600).

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

13445875632 is a wasteful number, since it uses less digits than its factorization.

13445875632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305626 (or 305620 counting only the distinct ones).

The product of its digits is 2419200, while the sum is 48.

The spelling of 13445875632 in words is "thirteen billion, four hundred forty-five million, eight hundred seventy-five thousand, six hundred thirty-two".