2490598656 has 324 divisors, whose sum is σ = 9001291572. Its totient is φ = 656474112.

The previous prime is 2490598637. The next prime is 2490598673. The reversal of 2490598656 is 6568950942.

2490598656 = 260² + 261² + ... + 1956².

It is a happy number.

2490598656 is a `hidden beast` number, since 2 + 49 + 0 + 598 + 6 + 5 + 6 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1493049600 + 997549056 = 38640^2 + 31584^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1466800 + ... + 1468496.

Almost surely, 2^2490598656 is an apocalyptic number.

2490598656 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2490598656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4500645786).

2490598656 is an abundant number, since it is smaller than the sum of its proper divisors (6510692916).

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

2490598656 is a wasteful number, since it uses less digits than its factorization.

2490598656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1746 (or 1722 counting only the distinct ones).

The product of its (nonzero) digits is 4665600, while the sum is 54.

The square root of 2490598656 is about 49905.8980081513. The cubic root of 2490598656 is about 1355.5053930057.

The spelling of 2490598656 in words is "two billion, four hundred ninety million, five hundred ninety-eight thousand, six hundred fifty-six".