2258440461798 has 32 divisors (see below), whose sum is σ = 4584422019840. Its totient is φ = 741557250720.

The previous prime is 2258440461791. The next prime is 2258440461889. The reversal of 2258440461798 is 8971640448522.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2258440461791) 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, 24443328 + ... + 24535548.

It is an arithmetic number, because the mean of its divisors is an integer number (143263188120).

Almost surely, 2^{2258440461798} is an apocalyptic number.

2258440461798 is an abundant number, since it is smaller than the sum of its proper divisors (2325981558042).

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

2258440461798 is a wasteful number, since it uses less digits than its factorization.

2258440461798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153212.

The product of its (nonzero) digits is 30965760, while the sum is 60.

The spelling of 2258440461798 in words is "two trillion, two hundred fifty-eight billion, four hundred forty million, four hundred sixty-one thousand, seven hundred ninety-eight".