13044867280 has 40 divisors (see below), whose sum is σ = 30455209224. Its totient is φ = 5196288000.

The previous prime is 13044867271. The next prime is 13044867331. The reversal of 13044867280 is 8276844031.

It can be written as a sum of positive squares in 4 ways, for example, as 2173051456 + 10871815824 = 46616^2 + 104268^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-3 number, since 3×13044867280³ (a number of 31 digits) contains 333 as substring.

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, 319021 + ... + 357580.

Almost surely, 2^13044867280 is an apocalyptic number.

13044867280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13044867280 is an abundant number, since it is smaller than the sum of its proper divisors (17410341944).

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

13044867280 is a wasteful number, since it uses less digits than its factorization.

13044867280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 676855 (or 676849 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 43.

The spelling of 13044867280 in words is "thirteen billion, forty-four million, eight hundred sixty-seven thousand, two hundred eighty".