15040116 has 72 divisors (see below), whose sum is σ = 46801664. Its totient is φ = 3965760.

The previous prime is 15040111. The next prime is 15040127. The reversal of 15040116 is 61104051.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15040111) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 981 + ... + 5571.

Almost surely, 2^15040116 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15040116, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23400832).

15040116 is an abundant number, since it is smaller than the sum of its proper divisors (31761548).

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

15040116 is a wasteful number, since it uses less digits than its factorization.

15040116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4621 (or 4616 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 15040116 is about 3878.1588415123. The cubic root of 15040116 is about 246.8408663164.

Adding to 15040116 its reverse (61104051), we get a palindrome (76144167).

The spelling of 15040116 in words is "fifteen million, forty thousand, one hundred sixteen".