2458921856 has 32 divisors (see below), whose sum is σ = 4991074200. Its totient is φ = 1206260224.

The previous prime is 2458921849. The next prime is 2458921859. The reversal of 2458921856 is 6581298542.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2458921859) 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, 174446 + ... + 188013.

Almost surely, 2^2458921856 is an apocalyptic number.

It is an amenable number.

2458921856 is an abundant number, since it is smaller than the sum of its proper divisors (2532152344).

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

2458921856 is an equidigital number, since it uses as much as digits as its factorization.

2458921856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362526 (or 362514 counting only the distinct ones).

The product of its digits is 1382400, while the sum is 50.

The square root of 2458921856 is about 49587.5171388929. The cubic root of 2458921856 is about 1349.7341691488.

The spelling of 2458921856 in words is "two billion, four hundred fifty-eight million, nine hundred twenty-one thousand, eight hundred fifty-six".