15252550400 has 108 divisors (see below), whose sum is σ = 38106982872. Its totient is φ = 6043729920.

The previous prime is 15252550393. The next prime is 15252550421. The reversal of 15252550400 is 405525251.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 673664 + ... + 695936.

It is an arithmetic number, because the mean of its divisors is an integer number (352842434).

Almost surely, 2^15252550400 is an apocalyptic number.

15252550400 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 15252550400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19053491436).

15252550400 is an abundant number, since it is smaller than the sum of its proper divisors (22854432472).

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

15252550400 is a wasteful number, since it uses less digits than its factorization.

15252550400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22406 (or 22387 counting only the distinct ones).

The product of its (nonzero) digits is 10000, while the sum is 29.

The spelling of 15252550400 in words is "fifteen billion, two hundred fifty-two million, five hundred fifty thousand, four hundred".