2506805836 has 12 divisors (see below), whose sum is σ = 4411148560. Its totient is φ = 1246477680.

The previous prime is 2506805827. The next prime is 2506805893. The reversal of 2506805836 is 6385086052.

It is a happy number.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 2506805792 and 2506805801.

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, 1730496 + ... + 1731943.

Almost surely, 2^2506805836 is an apocalyptic number.

It is an amenable number.

2506805836 is a deficient number, since it is larger than the sum of its proper divisors (1904342724).

2506805836 is a wasteful number, since it uses less digits than its factorization.

2506805836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3462624 (or 3462622 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 43.

The square root of 2506805836 is about 50068.0121035377. The cubic root of 2506805836 is about 1358.4392844584.

It can be divided in two parts, 250 and 6805836, that added together give a palindrome (6806086).

The spelling of 2506805836 in words is "two billion, five hundred six million, eight hundred five thousand, eight hundred thirty-six".