40424043 has 24 divisors (see below), whose sum is σ = 59654224. Its totient is φ = 24330240.

The previous prime is 40424009. The next prime is 40424051. The reversal of 40424043 is 34042404.

40424043 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 40424043 - 2¹⁷ = 40292971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40424243) 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 23 ways as a sum of consecutive naturals, for example, 69771 + ... + 70347.

Almost surely, 2^40424043 is an apocalyptic number.

40424043 is a deficient number, since it is larger than the sum of its proper divisors (19230181).

40424043 is a wasteful number, since it uses less digits than its factorization.

40424043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 795 (or 784 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 21.

The square root of 40424043 is about 6357.9904844219. The cubic root of 40424043 is about 343.1994493745.

Adding to 40424043 its reverse (34042404), we get a palindrome (74466447).

The spelling of 40424043 in words is "forty million, four hundred twenty-four thousand, forty-three".