13232181940 has 24 divisors (see below), whose sum is σ = 27821217312. Its totient is φ = 5286466080.

The previous prime is 13232181917. The next prime is 13232181961. The reversal of 13232181940 is 4918123231.

It is a happy number.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 13232181896 and 13232181905.

It is a congruent number.

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, 383466 + ... + 416545.

It is an arithmetic number, because the mean of its divisors is an integer number (1159217388).

Almost surely, 2^13232181940 is an apocalyptic number.

13232181940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13232181940 is an abundant number, since it is smaller than the sum of its proper divisors (14589035372).

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

13232181940 is a wasteful number, since it uses less digits than its factorization.

13232181940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 800847 (or 800845 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 34.

The spelling of 13232181940 in words is "thirteen billion, two hundred thirty-two million, one hundred eighty-one thousand, nine hundred forty".