13300023440 has 80 divisors (see below), whose sum is σ = 35718071040. Its totient is φ = 4551874560.

The previous prime is 13300023439. The next prime is 13300023449. The reversal of 13300023440 is 4432000331.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (13300023449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 429560 + ... + 459479.

It is an arithmetic number, because the mean of its divisors is an integer number (446475888).

Almost surely, 2^13300023440 is an apocalyptic number.

13300023440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13300023440 is an abundant number, since it is smaller than the sum of its proper divisors (22418047600).

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

13300023440 is a wasteful number, since it uses less digits than its factorization.

13300023440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 889080 (or 889074 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 13300023440 its reverse (4432000331), we get a palindrome (17732023771).

The spelling of 13300023440 in words is "thirteen billion, three hundred million, twenty-three thousand, four hundred forty".