2258591850 has 120 divisors (see below), whose sum is σ = 6352093440. Its totient is φ = 594946080.

The previous prime is 2258591849. The next prime is 2258591869. The reversal of 2258591850 is 581958522.

It is a happy number.

2258591850 is a `hidden beast` number, since 2 + 2 + 5 + 8 + 591 + 8 + 50 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 2258591796 and 2258591805.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 332791 + ... + 339509.

It is an arithmetic number, because the mean of its divisors is an integer number (52934112).

Almost surely, 2^2258591850 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2258591850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3176046720).

2258591850 is an abundant number, since it is smaller than the sum of its proper divisors (4093501590).

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

2258591850 is a wasteful number, since it uses less digits than its factorization.

2258591850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6826 (or 6812 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 45.

The square root of 2258591850 is about 47524.6446593765. The cubic root of 2258591850 is about 1312.0365057294.

The spelling of 2258591850 in words is "two billion, two hundred fifty-eight million, five hundred ninety-one thousand, eight hundred fifty".