15003440252 has 12 divisors (see below), whose sum is σ = 26320218960. Its totient is φ = 7483377696.

The previous prime is 15003440237. The next prime is 15003440279. The reversal of 15003440252 is 25204430051.

It is a happy number.

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 3 ways as a sum of consecutive naturals, for example, 4583768 + ... + 4587039.

It is an arithmetic number, because the mean of its divisors is an integer number (2193351580).

Almost surely, 2^15003440252 is an apocalyptic number.

It is an amenable number.

15003440252 is a deficient number, since it is larger than the sum of its proper divisors (11316778708).

15003440252 is a wasteful number, since it uses less digits than its factorization.

15003440252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9171220 (or 9171218 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The spelling of 15003440252 in words is "fifteen billion, three million, four hundred forty thousand, two hundred fifty-two".