15044314542040 has 128 divisors (see below), whose sum is σ = 38997934133760. Its totient is φ = 5116530991104.

The previous prime is 15044314542029. The next prime is 15044314542077. The reversal of 15044314542040 is 4024541344051.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18350739 + ... + 19153021.

It is an arithmetic number, because the mean of its divisors is an integer number (304671360420).

Almost surely, 2^{15044314542040} is an apocalyptic number.

15044314542040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15044314542040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19498967066880).

15044314542040 is an abundant number, since it is smaller than the sum of its proper divisors (23953619591720).

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

15044314542040 is a wasteful number, since it uses less digits than its factorization.

15044314542040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 802841 (or 802837 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 37.

Adding to 15044314542040 its reverse (4024541344051), we get a palindrome (19068855886091).

The spelling of 15044314542040 in words is "fifteen trillion, forty-four billion, three hundred fourteen million, five hundred forty-two thousand, forty".