43854445834 has 12 divisors (see below), whose sum is σ = 66439451862. Its totient is φ = 21710111600.

The previous prime is 43854445807. The next prime is 43854445837.

43854445834 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 3 ways, for example, as 30960162025 + 12894283809 = 175955^2 + 113553^2 .

It is not an unprimeable number, because it can be changed into a prime (43854445837) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1054357 + ... + 1095160.

Almost surely, 2^43854445834 is an apocalyptic number.

43854445834 is a deficient number, since it is larger than the sum of its proper divisors (22585006028).

43854445834 is a wasteful number, since it uses less digits than its factorization.

43854445834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2149721 (or 2149620 counting only the distinct ones).

The product of its digits is 14745600, while the sum is 52.

The spelling of 43854445834 in words is "forty-three billion, eight hundred fifty-four million, four hundred forty-five thousand, eight hundred thirty-four".