4256734440234 has 32 divisors (see below), whose sum is σ = 8593245365760. Its totient is φ = 1405616051952.

The previous prime is 4256734440209. The next prime is 4256734440241. The reversal of 4256734440234 is 4320444376524.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49544517 + ... + 49630359.

It is an arithmetic number, because the mean of its divisors is an integer number (268538917680).

Almost surely, 2^{4256734440234} is an apocalyptic number.

4256734440234 is an abundant number, since it is smaller than the sum of its proper divisors (4336510925526).

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

4256734440234 is a wasteful number, since it uses less digits than its factorization.

4256734440234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163194.

The product of its (nonzero) digits is 7741440, while the sum is 48.

The spelling of 4256734440234 in words is "four trillion, two hundred fifty-six billion, seven hundred thirty-four million, four hundred forty thousand, two hundred thirty-four".