2258109942 has 32 divisors (see below), whose sum is σ = 4930571520. Its totient is φ = 683749920.

The previous prime is 2258109941. The next prime is 2258109961. The reversal of 2258109942 is 2499018522.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2258109894 and 2258109903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2258109941) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78159 + ... + 103077.

It is an arithmetic number, because the mean of its divisors is an integer number (154080360).

Almost surely, 2^2258109942 is an apocalyptic number.

2258109942 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2258109942 is an abundant number, since it is smaller than the sum of its proper divisors (2672461578).

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

2258109942 is a wasteful number, since it uses less digits than its factorization.

2258109942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26308.

The product of its (nonzero) digits is 103680, while the sum is 42.

The square root of 2258109942 is about 47519.5743036488. The cubic root of 2258109942 is about 1311.9431841814.

The spelling of 2258109942 in words is "two billion, two hundred fifty-eight million, one hundred nine thousand, nine hundred forty-two".