2115404038 has 24 divisors (see below), whose sum is σ = 3497815944. Its totient is φ = 958784640.

The previous prime is 2115404003. The next prime is 2115404041. The reversal of 2115404038 is 8304045112.

It is a junction number, because it is equal to n+sod(n) for n = 2115403997 and 2115404015.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 73045 + ... + 97807.

It is an arithmetic number, because the mean of its divisors is an integer number (145742331).

Almost surely, 2^2115404038 is an apocalyptic number.

2115404038 is a deficient number, since it is larger than the sum of its proper divisors (1382411906).

2115404038 is a wasteful number, since it uses less digits than its factorization.

2115404038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25140 (or 25129 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 2115404038 is about 45993.5216959954. The cubic root of 2115404038 is about 1283.7026655813.

The spelling of 2115404038 in words is "two billion, one hundred fifteen million, four hundred four thousand, thirty-eight".