11439327432 has 48 divisors (see below), whose sum is σ = 30967421040. Its totient is φ = 3519791808.

The previous prime is 11439327409. The next prime is 11439327433. The reversal of 11439327432 is 23472393411.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (11439327433) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1406118 + ... + 1414229.

It is an arithmetic number, because the mean of its divisors is an integer number (645154605).

Almost surely, 2^11439327432 is an apocalyptic number.

11439327432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11439327432 is an abundant number, since it is smaller than the sum of its proper divisors (19528093608).

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

11439327432 is a wasteful number, since it uses less digits than its factorization.

11439327432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2820382 (or 2820365 counting only the distinct ones).

The product of its digits is 108864, while the sum is 39.

The spelling of 11439327432 in words is "eleven billion, four hundred thirty-nine million, three hundred twenty-seven thousand, four hundred thirty-two".