12674418440 has 16 divisors (see below), whose sum is σ = 28517441580. Its totient is φ = 5069767360.

The previous prime is 12674418403. The next prime is 12674418443. The reversal of 12674418440 is 4481447621.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 12122450404 + 551968036 = 110102^2 + 23494^2 .

It is not an unprimeable number, because it can be changed into a prime (12674418443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 158430191 + ... + 158430270.

Almost surely, 2^12674418440 is an apocalyptic number.

12674418440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12674418440 is an abundant number, since it is smaller than the sum of its proper divisors (15843023140).

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

12674418440 is a wasteful number, since it uses less digits than its factorization.

12674418440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316860472 (or 316860468 counting only the distinct ones).

The product of its (nonzero) digits is 172032, while the sum is 41.

The spelling of 12674418440 in words is "twelve billion, six hundred seventy-four million, four hundred eighteen thousand, four hundred forty".