40829420 has 24 divisors (see below), whose sum is σ = 86294544. Its totient is φ = 16226496.

The previous prime is 40829413. The next prime is 40829431. The reversal of 40829420 is 2492804.

40829420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

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, 3362 + ... + 9641.

It is an arithmetic number, because the mean of its divisors is an integer number (3595606).

Almost surely, 2^40829420 is an apocalyptic number.

It is an amenable number.

40829420 is an abundant number, since it is smaller than the sum of its proper divisors (45465124).

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

40829420 is a wasteful number, since it uses less digits than its factorization.

40829420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13169 (or 13167 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 40829420 is about 6389.7902938985. The cubic root of 40829420 is about 344.3428504478.

The spelling of 40829420 in words is "forty million, eight hundred twenty-nine thousand, four hundred twenty".