115400448 has 54 divisors (see below), whose sum is σ = 332734584. Its totient is φ = 38466048.

The previous prime is 115400431. The next prime is 115400497. The reversal of 115400448 is 844004511.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 22740 + ... + 27347.

Almost surely, 2^115400448 is an apocalyptic number.

115400448 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

115400448 is an abundant number, since it is smaller than the sum of its proper divisors (217334136).

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

115400448 is an equidigital number, since it uses as much as digits as its factorization.

115400448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50109 (or 50092 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 27.

The square root of 115400448 is about 10742.4600534514. The cubic root of 115400448 is about 486.8582102923.

Adding to 115400448 its reverse (844004511), we get a palindrome (959404959).

The spelling of 115400448 in words is "one hundred fifteen million, four hundred thousand, four hundred forty-eight".