15238242647408 has 120 divisors (see below), whose sum is σ = 32943218582400. Its totient is φ = 6821694633600.

The previous prime is 15238242647363. The next prime is 15238242647477. The reversal of 15238242647408 is 80474624283251.

It is a congruent number.

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, 880865543 + ... + 880882841.

It is an arithmetic number, because the mean of its divisors is an integer number (274526821520).

Almost surely, 2^{15238242647408} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15238242647408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16471609291200).

15238242647408 is an abundant number, since it is smaller than the sum of its proper divisors (17704975934992).

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

15238242647408 is a wasteful number, since it uses less digits than its factorization.

15238242647408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24187 (or 24170 counting only the distinct ones).

The product of its (nonzero) digits is 20643840, while the sum is 56.

The spelling of 15238242647408 in words is "fifteen trillion, two hundred thirty-eight billion, two hundred forty-two million, six hundred forty-seven thousand, four hundred eight".