56427272466 has 32 divisors (see below), whose sum is σ = 117052285248. Its totient is φ = 18119534400.

The previous prime is 56427272449. The next prime is 56427272483. The reversal of 56427272466 is 66427272465.

It is an interprime number because it is at equal distance from previous prime (56427272449) and next prime (56427272483).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1235880 + ... + 1280723.

It is an arithmetic number, because the mean of its divisors is an integer number (3657883914).

Almost surely, 2^56427272466 is an apocalyptic number.

56427272466 is an abundant number, since it is smaller than the sum of its proper divisors (60625012782).

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

56427272466 is a wasteful number, since it uses less digits than its factorization.

56427272466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2516746.

The product of its digits is 6773760, while the sum is 51.

Subtracting 56427272466 from its reverse (66427272465), we obtain a palindrome (9999999999).

The spelling of 56427272466 in words is "fifty-six billion, four hundred twenty-seven million, two hundred seventy-two thousand, four hundred sixty-six".