115769280 has 224 divisors, whose sum is σ = 422818560. Its totient is φ = 26542080.

The previous prime is 115769279. The next prime is 115769293. The reversal of 115769280 is 82967511.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 200352 + ... + 200928.

Almost surely, 2^115769280 is an apocalyptic number.

115769280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 115769280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (211409280).

115769280 is an abundant number, since it is smaller than the sum of its proper divisors (307049280).

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

115769280 is a wasteful number, since it uses less digits than its factorization.

115769280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 627 (or 617 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 39.

The square root of 115769280 is about 10759.6133759536. The cubic root of 115769280 is about 487.3763420744.

The spelling of 115769280 in words is "one hundred fifteen million, seven hundred sixty-nine thousand, two hundred eighty".