15468349128 has 64 divisors (see below), whose sum is σ = 39640043520. Its totient is φ = 5027059200.

The previous prime is 15468349123. The next prime is 15468349129. The reversal of 15468349128 is 82194386451.

It is not an unprimeable number, because it can be changed into a prime (15468349123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1827001 + ... + 1835447.

It is an arithmetic number, because the mean of its divisors is an integer number (619375680).

Almost surely, 2^15468349128 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 15468349128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19820021760).

15468349128 is an abundant number, since it is smaller than the sum of its proper divisors (24171694392).

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

15468349128 is a wasteful number, since it uses less digits than its factorization.

15468349128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10358 (or 10354 counting only the distinct ones).

The product of its digits is 1658880, while the sum is 51.

The spelling of 15468349128 in words is "fifteen billion, four hundred sixty-eight million, three hundred forty-nine thousand, one hundred twenty-eight".