12440799495 has 24 divisors (see below), whose sum is σ = 22832527536. Its totient is φ = 6244793088.

The previous prime is 12440799491. The next prime is 12440799541. The reversal of 12440799495 is 59499704421.

12440799495 is a `hidden beast` number, since 1 + 24 + 40 + 7 + 99 + 495 = 666.

It is not a de Polignac number, because 12440799495 - 2² = 12440799491 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12440799491) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8130477 + ... + 8132006.

It is an arithmetic number, because the mean of its divisors is an integer number (951355314).

Almost surely, 2^12440799495 is an apocalyptic number.

12440799495 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12440799495 is a deficient number, since it is larger than the sum of its proper divisors (10391728041).

12440799495 is a wasteful number, since it uses less digits than its factorization.

12440799495 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16262511 (or 16262508 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 54.

The spelling of 12440799495 in words is "twelve billion, four hundred forty million, seven hundred ninety-nine thousand, four hundred ninety-five".