40246429 has 12 divisors (see below), whose sum is σ = 43677504. Its totient is φ = 37060544.

The previous prime is 40246399. The next prime is 40246439. The reversal of 40246429 is 92464204.

40246429 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 40246429 - 2¹¹ = 40244381 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40246429.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40246439) 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 11 ways as a sum of consecutive naturals, for example, 12102 + ... + 15064.

It is an arithmetic number, because the mean of its divisors is an integer number (3639792).

Almost surely, 2^40246429 is an apocalyptic number.

It is an amenable number.

40246429 is a deficient number, since it is larger than the sum of its proper divisors (3431075).

40246429 is a wasteful number, since it uses less digits than its factorization.

40246429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3044 (or 3027 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 40246429 is about 6344.0073297562. The cubic root of 40246429 is about 342.6960647704.

The spelling of 40246429 in words is "forty million, two hundred forty-six thousand, four hundred twenty-nine".