5256456412 has 12 divisors (see below), whose sum is σ = 9302156640. Its totient is φ = 2598697376.

The previous prime is 5256456383. The next prime is 5256456461. The reversal of 5256456412 is 2146546525.

It is a happy number.

It is a super-2 number, since 2×5256456412² = 55260668022511827488, which contains 22 as substring.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 7382308 + ... + 7383019.

It is an arithmetic number, because the mean of its divisors is an integer number (775179720).

Almost surely, 2^5256456412 is an apocalyptic number.

It is an amenable number.

5256456412 is a deficient number, since it is larger than the sum of its proper divisors (4045700228).

5256456412 is a wasteful number, since it uses less digits than its factorization.

5256456412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14765420 (or 14765418 counting only the distinct ones).

The product of its digits is 288000, while the sum is 40.

The square root of 5256456412 is about 72501.4235170593. The cubic root of 5256456412 is about 1738.7254959824.

The spelling of 5256456412 in words is "five billion, two hundred fifty-six million, four hundred fifty-six thousand, four hundred twelve".