1515968448 has 56 divisors (see below), whose sum is σ = 4140403200. Its totient is φ = 489020160.

The previous prime is 1515968411. The next prime is 1515968449. The reversal of 1515968448 is 8448695151.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1515968448.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1515968449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121398 + ... + 133301.

Almost surely, 2^1515968448 is an apocalyptic number.

It is an amenable number.

1515968448 is an abundant number, since it is smaller than the sum of its proper divisors (2624434752).

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

1515968448 is a wasteful number, since it uses less digits than its factorization.

1515968448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254745 (or 254735 counting only the distinct ones).

The product of its digits is 1382400, while the sum is 51.

The square root of 1515968448 is about 38935.4394864113. The cubic root of 1515968448 is about 1148.7619816304.

The spelling of 1515968448 in words is "one billion, five hundred fifteen million, nine hundred sixty-eight thousand, four hundred forty-eight".