15439190242268 has 48 divisors (see below), whose sum is σ = 29182426334880. Its totient is φ = 7104862598400.

The previous prime is 15439190242213. The next prime is 15439190242313. The reversal of 15439190242268 is 86224209193451.

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, 38967683 + ... + 39361893.

It is an arithmetic number, because the mean of its divisors is an integer number (607967215310).

Almost surely, 2^{15439190242268} is an apocalyptic number.

It is an amenable number.

15439190242268 is a deficient number, since it is larger than the sum of its proper divisors (13743236092612).

15439190242268 is a wasteful number, since it uses less digits than its factorization.

15439190242268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396438 (or 396436 counting only the distinct ones).

The product of its (nonzero) digits is 7464960, while the sum is 56.

The spelling of 15439190242268 in words is "fifteen trillion, four hundred thirty-nine billion, one hundred ninety million, two hundred forty-two thousand, two hundred sixty-eight".