2261256430 has 16 divisors (see below), whose sum is σ = 4071369744. Its totient is φ = 904256320.

The previous prime is 2261256427. The next prime is 2261256451. The reversal of 2261256430 is 346521622.

It is a super-2 number, since 2×2261256430² = 10226561284432689800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2261256392 and 2261256401.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10410 + ... + 68050.

It is an arithmetic number, because the mean of its divisors is an integer number (254460609).

Almost surely, 2^2261256430 is an apocalyptic number.

2261256430 is a deficient number, since it is larger than the sum of its proper divisors (1810113314).

2261256430 is a wasteful number, since it uses less digits than its factorization.

2261256430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61571.

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 2261256430 is about 47552.6700617326. The cubic root of 2261256430 is about 1312.5522625297.

The spelling of 2261256430 in words is "two billion, two hundred sixty-one million, two hundred fifty-six thousand, four hundred thirty".