40429424 has 20 divisors (see below), whose sum is σ = 89522544. Its totient is φ = 17326848.

The previous prime is 40429421. The next prime is 40429429. The reversal of 40429424 is 42492404.

40429424 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40429421) 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 3 ways as a sum of consecutive naturals, for example, 180377 + ... + 180600.

Almost surely, 2^40429424 is an apocalyptic number.

It is an amenable number.

40429424 is an abundant number, since it is smaller than the sum of its proper divisors (49093120).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40429424 is a wasteful number, since it uses less digits than its factorization.

40429424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 360992 (or 360986 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 29.

The square root of 40429424 is about 6358.4136386366. The cubic root of 40429424 is about 343.2146768989.

The spelling of 40429424 in words is "forty million, four hundred twenty-nine thousand, four hundred twenty-four".