256630420030735 has 32 divisors (see below), whose sum is σ = 316255056203520. Its totient is φ = 199797569875200.

The previous prime is 256630420030723. The next prime is 256630420030783. The reversal of 256630420030735 is 537030024036652.

256630420030735 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 256630420030735 - 2¹⁷ = 256630419899663 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 135010756 + ... + 136898374.

It is an arithmetic number, because the mean of its divisors is an integer number (9882970506360).

Almost surely, 2^{256630420030735} is an apocalyptic number.

256630420030735 is a deficient number, since it is larger than the sum of its proper divisors (59624636172785).

256630420030735 is a wasteful number, since it uses less digits than its factorization.

256630420030735 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1889319.

The product of its (nonzero) digits is 2721600, while the sum is 46.

The spelling of 256630420030735 in words is "two hundred fifty-six trillion, six hundred thirty billion, four hundred twenty million, thirty thousand, seven hundred thirty-five".