115649968 has 40 divisors (see below), whose sum is σ = 257752352. Its totient is φ = 49241088.

The previous prime is 115649923. The next prime is 115649969. The reversal of 115649968 is 869946511.

It is not an unprimeable number, because it can be changed into a prime (115649969) 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, 14296 + ... + 20872.

Almost surely, 2^115649968 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 115649968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (128876176).

115649968 is an abundant number, since it is smaller than the sum of its proper divisors (142102384).

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

115649968 is a wasteful number, since it uses less digits than its factorization.

115649968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6749 (or 6743 counting only the distinct ones).

The product of its digits is 466560, while the sum is 49.

The square root of 115649968 is about 10754.0675095519. The cubic root of 115649968 is about 487.2088542515.

The spelling of 115649968 in words is "one hundred fifteen million, six hundred forty-nine thousand, nine hundred sixty-eight".