915448768 has 56 divisors (see below), whose sum is σ = 1967463680. Its totient is φ = 420111360.

The previous prime is 915448763. The next prime is 915448769. The reversal of 915448768 is 867844519.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (915448763) 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, 147553 + ... + 153631.

It is an arithmetic number, because the mean of its divisors is an integer number (35133280).

Almost surely, 2^915448768 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 915448768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (983731840).

915448768 is an abundant number, since it is smaller than the sum of its proper divisors (1052014912).

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

915448768 is a wasteful number, since it uses less digits than its factorization.

915448768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6285 (or 6275 counting only the distinct ones).

The product of its digits is 1935360, while the sum is 52.

The square root of 915448768 is about 30256.3839214140. The cubic root of 915448768 is about 970.9823781159.

The spelling of 915448768 in words is "nine hundred fifteen million, four hundred forty-eight thousand, seven hundred sixty-eight".