12442440748 has 12 divisors (see below), whose sum is σ = 21776082832. Its totient is φ = 6220702800.

The previous prime is 12442440739. The next prime is 12442440781. The reversal of 12442440748 is 84704424421.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 12442440748.

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, 72528 + ... + 173623.

Almost surely, 2^12442440748 is an apocalyptic number.

It is an amenable number.

12442440748 is a deficient number, since it is larger than the sum of its proper divisors (9333642084).

12442440748 is a wasteful number, since it uses less digits than its factorization.

12442440748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258792 (or 258790 counting only the distinct ones).

The product of its (nonzero) digits is 229376, while the sum is 40.

The spelling of 12442440748 in words is "twelve billion, four hundred forty-two million, four hundred forty thousand, seven hundred forty-eight".