15042422444 has 24 divisors (see below), whose sum is σ = 30091050528. Its totient is φ = 6445422720.

The previous prime is 15042422419. The next prime is 15042422459. The reversal of 15042422444 is 44422424051.

It is a self number, because there is not a number n which added to its sum of digits gives 15042422444.

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, 89402 + ... + 195134.

It is an arithmetic number, because the mean of its divisors is an integer number (1253793772).

Almost surely, 2^15042422444 is an apocalyptic number.

15042422444 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

15042422444 is an abundant number, since it is smaller than the sum of its proper divisors (15048628084).

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

15042422444 is a wasteful number, since it uses less digits than its factorization.

15042422444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110825 (or 110823 counting only the distinct ones).

The product of its (nonzero) digits is 40960, while the sum is 32.

Adding to 15042422444 its reverse (44422424051), we get a palindrome (59464846495).

The spelling of 15042422444 in words is "fifteen billion, forty-two million, four hundred twenty-two thousand, four hundred forty-four".