2405440115 has 16 divisors (see below), whose sum is σ = 3192587328. Its totient is φ = 1728314496.

The previous prime is 2405440099. The next prime is 2405440129. The reversal of 2405440115 is 5110445042.

It is a cyclic number.

It is not a de Polignac number, because 2405440115 - 2⁴ = 2405440099 is a prime.

It is a super-2 number, since 2×2405440115² = 11572284293702426450, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 497687 + ... + 502496.

It is an arithmetic number, because the mean of its divisors is an integer number (199536708).

Almost surely, 2^2405440115 is an apocalyptic number.

2405440115 is a deficient number, since it is larger than the sum of its proper divisors (787147213).

2405440115 is a wasteful number, since it uses less digits than its factorization.

2405440115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1000238.

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 2405440115 is about 49045.2863688245. The cubic root of 2405440115 is about 1339.8767457362.

Adding to 2405440115 its reverse (5110445042), we get a palindrome (7515885157).

The spelling of 2405440115 in words is "two billion, four hundred five million, four hundred forty thousand, one hundred fifteen".