15254220392448 has 96 divisors (see below), whose sum is σ = 40756214378880. Its totient is φ = 5073709383680.

The previous prime is 15254220392429. The next prime is 15254220392507. The reversal of 15254220392448 is 84429302245251.

It is a tau number, because it is divible by the number of its divisors (96).

It is a self number, because there is not a number n which added to its sum of digits gives 15254220392448.

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, 139561 + ... + 5525207.

It is an arithmetic number, because the mean of its divisors is an integer number (424543899780).

Almost surely, 2^{15254220392448} 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 15254220392448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20378107189440).

15254220392448 is an abundant number, since it is smaller than the sum of its proper divisors (25501993986432).

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

15254220392448 is an equidigital number, since it uses as much as digits as its factorization.

15254220392448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5386133 (or 5386113 counting only the distinct ones).

The product of its (nonzero) digits is 5529600, while the sum is 51.

The spelling of 15254220392448 in words is "fifteen trillion, two hundred fifty-four billion, two hundred twenty million, three hundred ninety-two thousand, four hundred forty-eight".