12440060780 has 24 divisors (see below), whose sum is σ = 29856146208. Its totient is φ = 4265163648.

The previous prime is 12440060771. The next prime is 12440060791. The reversal of 12440060780 is 8706004421.

It is a super-2 number, since 2×12440060780² (a number of 21 digits) contains 22 as substring.

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, 44428649 + ... + 44428928.

It is an arithmetic number, because the mean of its divisors is an integer number (1244006092).

Almost surely, 2^12440060780 is an apocalyptic number.

12440060780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12440060780 is an abundant number, since it is smaller than the sum of its proper divisors (17416085428).

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

12440060780 is a wasteful number, since it uses less digits than its factorization.

12440060780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88857593 (or 88857591 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 32.

The spelling of 12440060780 in words is "twelve billion, four hundred forty million, sixty thousand, seven hundred eighty".