13444780332 has 24 divisors (see below), whose sum is σ = 32038626816. Its totient is φ = 4386240208.

The previous prime is 13444780319. The next prime is 13444780357. The reversal of 13444780332 is 23308744431.

It is a happy 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, 11918568 + ... + 11919695.

It is an arithmetic number, because the mean of its divisors is an integer number (1334942784).

Almost surely, 2^13444780332 is an apocalyptic number.

13444780332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13444780332 is an abundant number, since it is smaller than the sum of its proper divisors (18593846484).

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

13444780332 is a wasteful number, since it uses less digits than its factorization.

13444780332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23838317 (or 23838315 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 39.

The spelling of 13444780332 in words is "thirteen billion, four hundred forty-four million, seven hundred eighty thousand, three hundred thirty-two".