2494261656 has 96 divisors (see below), whose sum is σ = 6845595120. Its totient is φ = 820377600.

The previous prime is 2494261603. The next prime is 2494261663. The reversal of 2494261656 is 6561624942.

2494261656 is a `hidden beast` number, since 24 + 9 + 4 + 2 + 616 + 5 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2285671 + ... + 2286761.

Almost surely, 2^2494261656 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2494261656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3422797560).

2494261656 is an abundant number, since it is smaller than the sum of its proper divisors (4351333464).

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

2494261656 is a wasteful number, since it uses less digits than its factorization.

2494261656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1497 (or 1490 counting only the distinct ones).

The product of its digits is 622080, while the sum is 45.

The square root of 2494261656 is about 49942.5835935627. The cubic root of 2494261656 is about 1356.1695953070.

The spelling of 2494261656 in words is "two billion, four hundred ninety-four million, two hundred sixty-one thousand, six hundred fifty-six".