12440969280 has 112 divisors (see below), whose sum is σ = 43889005440. Its totient is φ = 3317589504.

The previous prime is 12440969263. The next prime is 12440969311. The reversal of 12440969280 is 8296904421.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 711324 + ... + 728603.

It is an arithmetic number, because the mean of its divisors is an integer number (391866120).

Almost surely, 2^12440969280 is an apocalyptic number.

12440969280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12440969280 is an abundant number, since it is smaller than the sum of its proper divisors (31448036160).

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

12440969280 is a wasteful number, since it uses less digits than its factorization.

12440969280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1439953 (or 1439937 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The spelling of 12440969280 in words is "twelve billion, four hundred forty million, nine hundred sixty-nine thousand, two hundred eighty".