12737274240 has 128 divisors (see below), whose sum is σ = 41544518400. Its totient is φ = 3317594112.

The previous prime is 12737274239. The next prime is 12737274287. The reversal of 12737274240 is 4247273721.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

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, 5421 + ... + 159699.

It is an arithmetic number, because the mean of its divisors is an integer number (324566550).

Almost surely, 2^12737274240 is an apocalyptic number.

12737274240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12737274240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20772259200).

12737274240 is an abundant number, since it is smaller than the sum of its proper divisors (28807244160).

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

12737274240 is a wasteful number, since it uses less digits than its factorization.

12737274240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154344 (or 154332 counting only the distinct ones).

The product of its (nonzero) digits is 131712, while the sum is 39.

The spelling of 12737274240 in words is "twelve billion, seven hundred thirty-seven million, two hundred seventy-four thousand, two hundred forty".