2491057120 has 48 divisors (see below), whose sum is σ = 5915071008. Its totient is φ = 991352320.

The previous prime is 2491057103. The next prime is 2491057169. The reversal of 2491057120 is 217501942.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7996 + ... + 71035.

It is an arithmetic number, because the mean of its divisors is an integer number (123230646).

Almost surely, 2^2491057120 is an apocalyptic number.

2491057120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2491057120 is an abundant number, since it is smaller than the sum of its proper divisors (3424013888).

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

2491057120 is a wasteful number, since it uses less digits than its factorization.

2491057120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79243 (or 79235 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 31.

The square root of 2491057120 is about 49910.4910815352. The cubic root of 2491057120 is about 1355.5885607340.

The spelling of 2491057120 in words is "two billion, four hundred ninety-one million, fifty-seven thousand, one hundred twenty".