15060060400 has 240 divisors, whose sum is σ = 46567876608. Its totient is φ = 4542336000.

The previous prime is 15060060397. The next prime is 15060060403. The reversal of 15060060400 is 406006051.

It is an interprime number because it is at equal distance from previous prime (15060060397) and next prime (15060060403).

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15060060403) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 946914 + ... + 962686.

Almost surely, 2^15060060400 is an apocalyptic number.

15060060400 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 15060060400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23283938304).

15060060400 is an abundant number, since it is smaller than the sum of its proper divisors (31507816208).

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

15060060400 is a wasteful number, since it uses less digits than its factorization.

15060060400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15840 (or 15829 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

Adding to 15060060400 its reverse (406006051), we get a palindrome (15466066451).

The spelling of 15060060400 in words is "fifteen billion, sixty million, sixty thousand, four hundred".