2491001260 has 24 divisors (see below), whose sum is σ = 5706657936. Its totient is φ = 905818560.

The previous prime is 2491001257. The next prime is 2491001281. The reversal of 2491001260 is 621001942.

2491001260 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 5661147 + ... + 5661586.

It is an arithmetic number, because the mean of its divisors is an integer number (237777414).

Almost surely, 2^2491001260 is an apocalyptic number.

2491001260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2491001260 is an abundant number, since it is smaller than the sum of its proper divisors (3215656676).

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

2491001260 is a wasteful number, since it uses less digits than its factorization.

2491001260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11322753 (or 11322751 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 2491001260 is about 49909.9314766109. The cubic root of 2491001260 is about 1355.5784279886.

The spelling of 2491001260 in words is "two billion, four hundred ninety-one million, one thousand, two hundred sixty".