2258595840 has 104 divisors (see below), whose sum is σ = 7226821008. Its totient is φ = 602275840.

The previous prime is 2258595827. The next prime is 2258595853. The reversal of 2258595840 is 485958522.

It is an interprime number because it is at equal distance from previous prime (2258595827) and next prime (2258595853).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 2258595840.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43060 + ... + 79820.

Almost surely, 2^2258595840 is an apocalyptic number.

2258595840 is a gapful number since it is divisible by the number (20) 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 2258595840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3613410504).

2258595840 is an abundant number, since it is smaller than the sum of its proper divisors (4968225168).

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

2258595840 is an equidigital number, since it uses as much as digits as its factorization.

2258595840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36793 (or 36771 counting only the distinct ones).

The product of its (nonzero) digits is 1152000, while the sum is 48.

The square root of 2258595840 is about 47524.6866375782. The cubic root of 2258595840 is about 1312.0372783380.

The spelling of 2258595840 in words is "two billion, two hundred fifty-eight million, five hundred ninety-five thousand, eight hundred forty".