15091426044 has 18 divisors (see below), whose sum is σ = 38147771480. Its totient is φ = 5030475336.

The previous prime is 15091426033. The next prime is 15091426067. The reversal of 15091426044 is 44062419051.

15091426044 is a `hidden beast` number, since 1 + 5 + 0 + 9 + 1 + 42 + 604 + 4 = 666.

15091426044 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×15091426044² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 419206279 = 15091426044 / (1 + 5 + 0 + 9 + 1 + 4 + 2 + 6 + 0 + 4 + 4).

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 5 ways as a sum of consecutive naturals, for example, 209603104 + ... + 209603175.

Almost surely, 2^15091426044 is an apocalyptic number.

It is an amenable number.

15091426044 is an abundant number, since it is smaller than the sum of its proper divisors (23056345436).

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

15091426044 is a wasteful number, since it uses less digits than its factorization.

15091426044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 419206289 (or 419206284 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The spelling of 15091426044 in words is "fifteen billion, ninety-one million, four hundred twenty-six thousand, forty-four".