2590240856 has 16 divisors (see below), whose sum is σ = 5550516240. Its totient is φ = 1110103200.

The previous prime is 2590240847. The next prime is 2590240871. The reversal of 2590240856 is 6580420952.

It is a super-2 number, since 2×2590240856² = 13418695384183225472, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23127095 + ... + 23127206.

It is an arithmetic number, because the mean of its divisors is an integer number (346907265).

Almost surely, 2^2590240856 is an apocalyptic number.

It is an amenable number.

2590240856 is an abundant number, since it is smaller than the sum of its proper divisors (2960275384).

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

2590240856 is a wasteful number, since it uses less digits than its factorization.

2590240856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46254314 (or 46254310 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 41.

The square root of 2590240856 is about 50894.4088874210. The cubic root of 2590240856 is about 1373.3462619095.

The spelling of 2590240856 in words is "two billion, five hundred ninety million, two hundred forty thousand, eight hundred fifty-six".