2558407794 has 8 divisors (see below), whose sum is σ = 5116815600. Its totient is φ = 852802596.

The previous prime is 2558407793. The next prime is 2558407847. The reversal of 2558407794 is 4977048552.

It is a happy number.

2558407794 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

2558407794 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (2558407793) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 213200644 + ... + 213200655.

It is an arithmetic number, because the mean of its divisors is an integer number (639601950).

Almost surely, 2^2558407794 is an apocalyptic number.

2558407794 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2558407794 is a wasteful number, since it uses less digits than its factorization.

2558407794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 426401304.

The product of its (nonzero) digits is 2822400, while the sum is 51.

The square root of 2558407794 is about 50580.7057483385. The cubic root of 2558407794 is about 1367.6970908195.

The spelling of 2558407794 in words is "two billion, five hundred fifty-eight million, four hundred seven thousand, seven hundred ninety-four".