15442043228 has 24 divisors (see below), whose sum is σ = 28822070592. Its totient is φ = 7213796864.

The previous prime is 15442043207. The next prime is 15442043249. The reversal of 15442043228 is 82234024451.

15442043228 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (15442043207) and next prime (15442043249).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 819476 + ... + 838107.

It is an arithmetic number, because the mean of its divisors is an integer number (1200919608).

Almost surely, 2^15442043228 is an apocalyptic number.

It is an amenable number.

15442043228 is a deficient number, since it is larger than the sum of its proper divisors (13380027364).

15442043228 is a wasteful number, since it uses less digits than its factorization.

15442043228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1657741 (or 1657739 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 35.

Adding to 15442043228 its reverse (82234024451), we get a palindrome (97676067679).

The spelling of 15442043228 in words is "fifteen billion, four hundred forty-two million, forty-three thousand, two hundred twenty-eight".