15230449788 has 12 divisors (see below), whose sum is σ = 35537716200. Its totient is φ = 5076816592.

The previous prime is 15230449777. The next prime is 15230449847. The reversal of 15230449788 is 88794403251.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 15230449788.

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, 634602063 + ... + 634602086.

It is an arithmetic number, because the mean of its divisors is an integer number (2961476350).

Almost surely, 2^15230449788 is an apocalyptic number.

It is an amenable number.

15230449788 is an abundant number, since it is smaller than the sum of its proper divisors (20307266412).

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

15230449788 is a wasteful number, since it uses less digits than its factorization.

15230449788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1269204156 (or 1269204154 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 51.

The spelling of 15230449788 in words is "fifteen billion, two hundred thirty million, four hundred forty-nine thousand, seven hundred eighty-eight".