12432986740 has 24 divisors (see below), whose sum is σ = 26118947232. Its totient is φ = 4971351840.

The previous prime is 12432986729. The next prime is 12432986777. The reversal of 12432986740 is 4768923421.

It is a happy number.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59194 + ... + 168433.

It is an arithmetic number, because the mean of its divisors is an integer number (1088289468).

Almost surely, 2^12432986740 is an apocalyptic number.

12432986740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12432986740 is an abundant number, since it is smaller than the sum of its proper divisors (13685960492).

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

12432986740 is a wasteful number, since it uses less digits than its factorization.

12432986740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230367 (or 230365 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 46.

The spelling of 12432986740 in words is "twelve billion, four hundred thirty-two million, nine hundred eighty-six thousand, seven hundred forty".