15250030400 has 336 divisors, whose sum is σ = 43254338688. Its totient is φ = 5237760000.

The previous prime is 15250030399. The next prime is 15250030427. The reversal of 15250030400 is 403005251.

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 pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 40884614 + ... + 40884986.

Almost surely, 2^15250030400 is an apocalyptic number.

15250030400 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 15250030400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21627169344).

15250030400 is an abundant number, since it is smaller than the sum of its proper divisors (28004308288).

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

15250030400 is a wasteful number, since it uses less digits than its factorization.

15250030400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 530 (or 515 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 20.

Adding to 15250030400 its reverse (403005251), we get a palindrome (15653035651).

The spelling of 15250030400 in words is "fifteen billion, two hundred fifty million, thirty thousand, four hundred".