15244040055 has 32 divisors (see below), whose sum is σ = 25030772928. Its totient is φ = 7917440000.

The previous prime is 15244040051. The next prime is 15244040083. The reversal of 15244040055 is 55004044251.

It is not a de Polignac number, because 15244040055 - 2² = 15244040051 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15244040051) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 320305 + ... + 364805.

It is an arithmetic number, because the mean of its divisors is an integer number (782211654).

Almost surely, 2^15244040055 is an apocalyptic number.

15244040055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

15244040055 is a deficient number, since it is larger than the sum of its proper divisors (9786732873).

15244040055 is a wasteful number, since it uses less digits than its factorization.

15244040055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45107.

The product of its (nonzero) digits is 16000, while the sum is 30.

The spelling of 15244040055 in words is "fifteen billion, two hundred forty-four million, forty thousand, fifty-five".