12444677375240 has 64 divisors (see below), whose sum is σ = 30547360949760. Its totient is φ = 4525139499520.

The previous prime is 12444677375219. The next prime is 12444677375267. The reversal of 12444677375240 is 4257377644421.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9657644 + ... + 10870116.

It is an arithmetic number, because the mean of its divisors is an integer number (477302514840).

Almost surely, 2^{12444677375240} is an apocalyptic number.

12444677375240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12444677375240 is an abundant number, since it is smaller than the sum of its proper divisors (18102683574520).

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

12444677375240 is a wasteful number, since it uses less digits than its factorization.

12444677375240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1235822 (or 1235818 counting only the distinct ones).

The product of its (nonzero) digits is 31610880, while the sum is 56.

The spelling of 12444677375240 in words is "twelve trillion, four hundred forty-four billion, six hundred seventy-seven million, three hundred seventy-five thousand, two hundred forty".