13330444400 has 120 divisors (see below), whose sum is σ = 39417206304. Its totient is φ = 4218854400.

The previous prime is 13330444399. The next prime is 13330444429. The reversal of 13330444400 is 444403331.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a self number, because there is not a number n which added to its sum of digits gives 13330444400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 146711 + ... + 219510.

Almost surely, 2^13330444400 is an apocalyptic number.

13330444400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13330444400 is an abundant number, since it is smaller than the sum of its proper divisors (26086761904).

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

13330444400 is a wasteful number, since it uses less digits than its factorization.

13330444400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 366259 (or 366248 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 13330444400 its reverse (444403331), we get a palindrome (13774847731).

The spelling of 13330444400 in words is "thirteen billion, three hundred thirty million, four hundred forty-four thousand, four hundred".