256038753338 has 8 divisors (see below), whose sum is σ = 384084495360. Its totient is φ = 128010588220.

The previous prime is 256038753337. The next prime is 256038753343. The reversal of 256038753338 is 833357830652.

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

It is a super-2 number, since 2×256038753338² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 256038753338.

It is not an unprimeable number, because it can be changed into a prime (256038753337) 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, 4357748 + ... + 4416111.

It is an arithmetic number, because the mean of its divisors is an integer number (48010561920).

Almost surely, 2^256038753338 is an apocalyptic number.

256038753338 is a deficient number, since it is larger than the sum of its proper divisors (128045742022).

256038753338 is a wasteful number, since it uses less digits than its factorization.

256038753338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8788452.

The product of its (nonzero) digits is 10886400, while the sum is 53.

The spelling of 256038753338 in words is "two hundred fifty-six billion, thirty-eight million, seven hundred fifty-three thousand, three hundred thirty-eight".