15256049800 has 48 divisors (see below), whose sum is σ = 35488956240. Its totient is φ = 6099213120.

The previous prime is 15256049771. The next prime is 15256049801. The reversal of 15256049800 is 894065251.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (15256049801) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 381559 + ... + 419641.

It is an arithmetic number, because the mean of its divisors is an integer number (739353255).

Almost surely, 2^15256049800 is an apocalyptic number.

15256049800 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15256049800 is an abundant number, since it is smaller than the sum of its proper divisors (20232906440).

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

15256049800 is a wasteful number, since it uses less digits than its factorization.

15256049800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40102 (or 40093 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 40.

The spelling of 15256049800 in words is "fifteen billion, two hundred fifty-six million, forty-nine thousand, eight hundred".