256029891034 has 8 divisors (see below), whose sum is σ = 384259752288. Its totient is φ = 127943306940.

The previous prime is 256029891031. The next prime is 256029891053. The reversal of 256029891034 is 430198920652.

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

It is not an unprimeable number, because it can be changed into a prime (256029891031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35814822 + ... + 35821969.

It is an arithmetic number, because the mean of its divisors is an integer number (48032469036).

Almost surely, 2^256029891034 is an apocalyptic number.

256029891034 is a deficient number, since it is larger than the sum of its proper divisors (128229861254).

256029891034 is a wasteful number, since it uses less digits than its factorization.

256029891034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71638580.

The product of its (nonzero) digits is 933120, while the sum is 49.

The spelling of 256029891034 in words is "two hundred fifty-six billion, twenty-nine million, eight hundred ninety-one thousand, thirty-four".