15114440000 has 140 divisors (see below), whose sum is σ = 40887261888. Its totient is φ = 5496000000.

The previous prime is 15114439961. The next prime is 15114440059. The reversal of 15114440000 is 4441151.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 422825 + ... + 457175.

Almost surely, 2^15114440000 is an apocalyptic number.

15114440000 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 15114440000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20443630944).

15114440000 is an abundant number, since it is smaller than the sum of its proper divisors (25772821888).

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

15114440000 is an equidigital number, since it uses as much as digits as its factorization.

15114440000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34394 (or 34369 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

Adding to 15114440000 its reverse (4441151), we get a palindrome (15118881151).

The spelling of 15114440000 in words is "fifteen billion, one hundred fourteen million, four hundred forty thousand".