15422402044 has 24 divisors (see below), whose sum is σ = 30849463008. Its totient is φ = 6608602560.

The previous prime is 15422402029. The next prime is 15422402069. The reversal of 15422402044 is 44020422451.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 165114 + ... + 241054.

It is an arithmetic number, because the mean of its divisors is an integer number (1285394292).

Almost surely, 2^15422402044 is an apocalyptic number.

15422402044 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

15422402044 is an abundant number, since it is smaller than the sum of its proper divisors (15427060964).

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

15422402044 is a wasteful number, since it uses less digits than its factorization.

15422402044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83205 (or 83203 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 28.

Adding to 15422402044 its reverse (44020422451), we get a palindrome (59442824495).

The spelling of 15422402044 in words is "fifteen billion, four hundred twenty-two million, four hundred two thousand, forty-four".