256082089434 has 16 divisors (see below), whose sum is σ = 517136647872. Its totient is φ = 84531951648.

The previous prime is 256082089429. The next prime is 256082089451. The reversal of 256082089434 is 434980280652.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 207185539 + ... + 207186774.

It is an arithmetic number, because the mean of its divisors is an integer number (32321040492).

Almost surely, 2^256082089434 is an apocalyptic number.

256082089434 is an abundant number, since it is smaller than the sum of its proper divisors (261054558438).

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

256082089434 is a wasteful number, since it uses less digits than its factorization.

256082089434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 414372421.

The product of its (nonzero) digits is 3317760, while the sum is 51.

The spelling of 256082089434 in words is "two hundred fifty-six billion, eighty-two million, eighty-nine thousand, four hundred thirty-four".