40022434 has 16 divisors (see below), whose sum is σ = 61018272. Its totient is φ = 19685248.

The previous prime is 40022429. The next prime is 40022441. The reversal of 40022434 is 43422004.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58257 + ... + 58939.

It is an arithmetic number, because the mean of its divisors is an integer number (3813642).

Almost surely, 2^40022434 is an apocalyptic number.

40022434 is a deficient number, since it is larger than the sum of its proper divisors (20995838).

40022434 is a wasteful number, since it uses less digits than its factorization.

40022434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1121.

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 40022434 is about 6326.3286351564. The cubic root of 40022434 is about 342.0591133869.

Adding to 40022434 its reverse (43422004), we get a palindrome (83444438).

The spelling of 40022434 in words is "forty million, twenty-two thousand, four hundred thirty-four".