834046640438 has 16 divisors (see below), whose sum is σ = 1436635362240. Its totient is φ = 359158840200.

The previous prime is 834046640437. The next prime is 834046640489.

834046640438 is nontrivially palindromic in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (834046640431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 997663028 + ... + 997663863.

It is an arithmetic number, because the mean of its divisors is an integer number (89789710140).

Almost surely, 2^834046640438 is an apocalyptic number.

834046640438 is a deficient number, since it is larger than the sum of its proper divisors (602588721802).

834046640438 is a wasteful number, since it uses less digits than its factorization.

834046640438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1995326923.

The product of its (nonzero) digits is 5308416, while the sum is 50.

The spelling of 834046640438 in words is "eight hundred thirty-four billion, forty-six million, six hundred forty thousand, four hundred thirty-eight".