12374344840 has 64 divisors (see below), whose sum is σ = 32709821760. Its totient is φ = 4153624320.

The previous prime is 12374344811. The next prime is 12374344859. The reversal of 12374344840 is 4844347321.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 12374344793 and 12374344802.

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, 1075954 + ... + 1087393.

It is an arithmetic number, because the mean of its divisors is an integer number (511090965).

Almost surely, 2^12374344840 is an apocalyptic number.

12374344840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12374344840 is an abundant number, since it is smaller than the sum of its proper divisors (20335476920).

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

12374344840 is a wasteful number, since it uses less digits than its factorization.

12374344840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2163382 (or 2163378 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 40.

The spelling of 12374344840 in words is "twelve billion, three hundred seventy-four million, three hundred forty-four thousand, eight hundred forty".