12744391450 has 48 divisors (see below), whose sum is σ = 27535094784. Its totient is φ = 4297867200.

The previous prime is 12744391433. The next prime is 12744391477. The reversal of 12744391450 is 5419344721.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 277114 + ... + 319813.

It is an arithmetic number, because the mean of its divisors is an integer number (573647808).

Almost surely, 2^12744391450 is an apocalyptic number.

12744391450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12744391450 is an abundant number, since it is smaller than the sum of its proper divisors (14790703334).

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

12744391450 is a wasteful number, since it uses less digits than its factorization.

12744391450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 597007 (or 597002 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 40.

The spelling of 12744391450 in words is "twelve billion, seven hundred forty-four million, three hundred ninety-one thousand, four hundred fifty".