15542760228 has 96 divisors (see below), whose sum is σ = 39010836480. Its totient is φ = 4801680000.

The previous prime is 15542760217. The next prime is 15542760293. The reversal of 15542760228 is 82206724551.

It is a super-2 number, since 2×15542760228² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 15542760228.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2653503 + ... + 2659353.

It is an arithmetic number, because the mean of its divisors is an integer number (406362880).

Almost surely, 2^15542760228 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 15542760228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19505418240).

15542760228 is an abundant number, since it is smaller than the sum of its proper divisors (23468076252).

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

15542760228 is a wasteful number, since it uses less digits than its factorization.

15542760228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6129 (or 6127 counting only the distinct ones).

The product of its (nonzero) digits is 268800, while the sum is 42.

The spelling of 15542760228 in words is "fifteen billion, five hundred forty-two million, seven hundred sixty thousand, two hundred twenty-eight".