43801426 has 16 divisors (see below), whose sum is σ = 69255000. Its totient is φ = 20745088.

The previous prime is 43801393. The next prime is 43801427. The reversal of 43801426 is 62410834.

43801426 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 42889401 + 912025 = 6549^2 + 955^2 .

It is a junction number, because it is equal to n+sod(n) for n = 43801394 and 43801403.

It is not an unprimeable number, because it can be changed into a prime (43801427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4051 + ... + 10198.

Almost surely, 2^43801426 is an apocalyptic number.

43801426 is a deficient number, since it is larger than the sum of its proper divisors (25453574).

43801426 is a wasteful number, since it uses less digits than its factorization.

43801426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14333.

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 43801426 is about 6618.2645761559. The cubic root of 43801426 is about 352.5029451659.

The spelling of 43801426 in words is "forty-three million, eight hundred one thousand, four hundred twenty-six".