12440501244 has 36 divisors (see below), whose sum is σ = 31484831560. Its totient is φ = 4141821600.

The previous prime is 12440501233. The next prime is 12440501273. The reversal of 12440501244 is 44210504421.

12440501244 is a `hidden beast` number, since 12 + 4 + 405 + 0 + 1 + 244 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 178582 + ... + 238269.

Almost surely, 2^12440501244 is an apocalyptic number.

It is an amenable number.

12440501244 is an abundant number, since it is smaller than the sum of its proper divisors (19044330316).

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

12440501244 is a wasteful number, since it uses less digits than its factorization.

12440501244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 417690 (or 417685 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 27.

The spelling of 12440501244 in words is "twelve billion, four hundred forty million, five hundred one thousand, two hundred forty-four".