15240051200 has 240 divisors, whose sum is σ = 43620850944. Its totient is φ = 5215027200.

The previous prime is 15240051199. The next prime is 15240051209. The reversal of 15240051200 is 215004251.

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

It is not an unprimeable number, because it can be changed into a prime (15240051209) 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, 2390417 + ... + 2396783.

Almost surely, 2^15240051200 is an apocalyptic number.

15240051200 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 15240051200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21810425472).

15240051200 is an abundant number, since it is smaller than the sum of its proper divisors (28380799744).

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

15240051200 is a wasteful number, since it uses less digits than its factorization.

15240051200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6423 (or 6402 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 20.

Adding to 15240051200 its reverse (215004251), we get a palindrome (15455055451).

The spelling of 15240051200 in words is "fifteen billion, two hundred forty million, fifty-one thousand, two hundred".