15231041400 has 96 divisors (see below), whose sum is σ = 47477430000. Its totient is φ = 4039142400.

The previous prime is 15231041389. The next prime is 15231041411. The reversal of 15231041400 is 414013251.

It is an interprime number because it is at equal distance from previous prime (15231041389) and next prime (15231041411).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38476 + ... + 178724.

Almost surely, 2^15231041400 is an apocalyptic number.

15231041400 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 15231041400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23738715000).

15231041400 is an abundant number, since it is smaller than the sum of its proper divisors (32246388600).

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

15231041400 is a wasteful number, since it uses less digits than its factorization.

15231041400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140449 (or 140440 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

Adding to 15231041400 its reverse (414013251), we get a palindrome (15645054651).

The spelling of 15231041400 in words is "fifteen billion, two hundred thirty-one million, forty-one thousand, four hundred".