43240426 has 8 divisors (see below), whose sum is σ = 65003940. Its totient is φ = 21572448.

The previous prime is 43240411. The next prime is 43240429. The reversal of 43240426 is 62404234.

It can be written as a sum of positive squares in 2 ways, for example, as 43230625 + 9801 = 6575^2 + 99^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×43240426² = 3739468881322952, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 43240426.

It is not an unprimeable number, because it can be changed into a prime (43240429) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22741 + ... + 24568.

Almost surely, 2^43240426 is an apocalyptic number.

43240426 is a deficient number, since it is larger than the sum of its proper divisors (21763514).

43240426 is a wasteful number, since it uses less digits than its factorization.

43240426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47768.

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 43240426 is about 6575.7452809549. The cubic root of 43240426 is about 350.9915447784.

The spelling of 43240426 in words is "forty-three million, two hundred forty thousand, four hundred twenty-six".