2490705858 has 16 divisors (see below), whose sum is σ = 5243591520. Its totient is φ = 786538656.

The previous prime is 2490705809. The next prime is 2490705859. The reversal of 2490705858 is 8585070942.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2490705859) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10924035 + ... + 10924262.

It is an arithmetic number, because the mean of its divisors is an integer number (327724470).

Almost surely, 2^2490705858 is an apocalyptic number.

2490705858 is an abundant number, since it is smaller than the sum of its proper divisors (2752885662).

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

2490705858 is a wasteful number, since it uses less digits than its factorization.

2490705858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21848321.

The product of its (nonzero) digits is 806400, while the sum is 48.

The square root of 2490705858 is about 49906.9720379828. The cubic root of 2490705858 is about 1355.5248409142.

The spelling of 2490705858 in words is "two billion, four hundred ninety million, seven hundred five thousand, eight hundred fifty-eight".