15286449252 has 24 divisors (see below), whose sum is σ = 35670662496. Its totient is φ = 5095157248.

The previous prime is 15286449251. The next prime is 15286449319. The reversal of 15286449252 is 25294468251.

It is not an unprimeable number, because it can be changed into a prime (15286449251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 223108 + ... + 283460.

It is an arithmetic number, because the mean of its divisors is an integer number (1486277604).

Almost surely, 2^15286449252 is an apocalyptic number.

15286449252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

15286449252 is an abundant number, since it is smaller than the sum of its proper divisors (20384213244).

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

15286449252 is a wasteful number, since it uses less digits than its factorization.

15286449252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81467 (or 81465 counting only the distinct ones).

The product of its digits is 1382400, while the sum is 48.

The spelling of 15286449252 in words is "fifteen billion, two hundred eighty-six million, four hundred forty-nine thousand, two hundred fifty-two".