12440922880 has 36 divisors (see below), whose sum is σ = 29799901152. Its totient is φ = 4976368640.

The previous prime is 12440922869. The next prime is 12440922913. The reversal of 12440922880 is 8822904421.

It is a super-2 number, since 2×12440922880² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4858456 + ... + 4861015.

It is an arithmetic number, because the mean of its divisors is an integer number (827775032).

Almost surely, 2^12440922880 is an apocalyptic number.

12440922880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12440922880 is an abundant number, since it is smaller than the sum of its proper divisors (17358978272).

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

12440922880 is an frugal number, since it uses more digits than its factorization.

12440922880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9719492 (or 9719478 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 40.

The spelling of 12440922880 in words is "twelve billion, four hundred forty million, nine hundred twenty-two thousand, eight hundred eighty".