2258903808 has 144 divisors (see below), whose sum is σ = 7634421760. Its totient is φ = 645387264.

The previous prime is 2258903789. The next prime is 2258903819. The reversal of 2258903808 is 8083098522.

It is a tau number, because it is divible by the number of its divisors (144).

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, 25041 + ... + 71727.

Almost surely, 2^2258903808 is an apocalyptic number.

2258903808 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2258903808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3817210880).

2258903808 is an abundant number, since it is smaller than the sum of its proper divisors (5375517952).

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

2258903808 is an equidigital number, since it uses as much as digits as its factorization.

2258903808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46719 (or 46699 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 45.

The square root of 2258903808 is about 47527.9266116249. The cubic root of 2258903808 is about 1312.0969093597.

The spelling of 2258903808 in words is "two billion, two hundred fifty-eight million, nine hundred three thousand, eight hundred eight".