40974429 has 16 divisors (see below), whose sum is σ = 56306880. Its totient is φ = 26484480.

The previous prime is 40974421. The next prime is 40974433. The reversal of 40974429 is 92447904.

It is a happy number.

40974429 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 40974429 - 2³ = 40974421 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40974421) 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 15 ways as a sum of consecutive naturals, for example, 46069 + ... + 46949.

It is an arithmetic number, because the mean of its divisors is an integer number (3519180).

Almost surely, 2^40974429 is an apocalyptic number.

It is an amenable number.

40974429 is a deficient number, since it is larger than the sum of its proper divisors (15332451).

40974429 is a wasteful number, since it uses less digits than its factorization.

40974429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1340.

The product of its (nonzero) digits is 72576, while the sum is 39.

The square root of 40974429 is about 6401.1271663669. The cubic root of 40974429 is about 344.7500226559.

The spelling of 40974429 in words is "forty million, nine hundred seventy-four thousand, four hundred twenty-nine".