256412005033 has 8 divisors (see below), whose sum is σ = 269749627200. Its totient is φ = 243374104848.

The previous prime is 256412004991. The next prime is 256412005049. The reversal of 256412005033 is 330500214652.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-256412005033 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 256412004986 and 256412005004.

It is not an unprimeable number, because it can be changed into a prime (256412009033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74928741 + ... + 74932162.

It is an arithmetic number, because the mean of its divisors is an integer number (33718703400).

Almost surely, 2^256412005033 is an apocalyptic number.

It is an amenable number.

256412005033 is a deficient number, since it is larger than the sum of its proper divisors (13337622167).

256412005033 is a wasteful number, since it uses less digits than its factorization.

256412005033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149860991.

The product of its (nonzero) digits is 21600, while the sum is 31.

Adding to 256412005033 its reverse (330500214652), we get a palindrome (586912219685).

The spelling of 256412005033 in words is "two hundred fifty-six billion, four hundred twelve million, five thousand, thirty-three".