15238708328 has 48 divisors (see below), whose sum is σ = 30375626400. Its totient is φ = 7164433760.

The previous prime is 15238708313. The next prime is 15238708337. The reversal of 15238708328 is 82380783251.

It is a happy number.

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, 219173 + ... + 280203.

It is an arithmetic number, because the mean of its divisors is an integer number (632825550).

Almost surely, 2^15238708328 is an apocalyptic number.

It is an amenable number.

15238708328 is a deficient number, since it is larger than the sum of its proper divisors (15136918072).

15238708328 is a wasteful number, since it uses less digits than its factorization.

15238708328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61142 (or 61115 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 47.

The spelling of 15238708328 in words is "fifteen billion, two hundred thirty-eight million, seven hundred eight thousand, three hundred twenty-eight".