115440413 has 24 divisors (see below), whose sum is σ = 132378624. Its totient is φ = 100511840.

The previous prime is 115440359. The next prime is 115440419. The reversal of 115440413 is 314044511.

It is not a de Polignac number, because 115440413 - 2¹⁸ = 115178269 is a prime.

It is a super-2 number, since 2×115440413² = 26652977907221138, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115440419) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 301220 + ... + 301602.

It is an arithmetic number, because the mean of its divisors is an integer number (5515776).

Almost surely, 2^115440413 is an apocalyptic number.

It is an amenable number.

115440413 is a deficient number, since it is larger than the sum of its proper divisors (16938211).

115440413 is a wasteful number, since it uses less digits than its factorization.

115440413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 505 (or 494 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 115440413 is about 10744.3200343251. The cubic root of 115440413 is about 486.9144060380.

Adding to 115440413 its reverse (314044511), we get a palindrome (429484924).

The spelling of 115440413 in words is "one hundred fifteen million, four hundred forty thousand, four hundred thirteen".