43281394426 has 16 divisors (see below), whose sum is σ = 68758225920. Its totient is φ = 20362622400.

The previous prime is 43281394421. The next prime is 43281394427. The reversal of 43281394426 is 62449318234.

It is not an unprimeable number, because it can be changed into a prime (43281394421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19386 + ... + 294853.

It is an arithmetic number, because the mean of its divisors is an integer number (4297389120).

Almost surely, 2^43281394426 is an apocalyptic number.

43281394426 is a deficient number, since it is larger than the sum of its proper divisors (25476831494).

43281394426 is a wasteful number, since it uses less digits than its factorization.

43281394426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318309.

The product of its digits is 995328, while the sum is 46.

The spelling of 43281394426 in words is "forty-three billion, two hundred eighty-one million, three hundred ninety-four thousand, four hundred twenty-six".