40048429 has 4 divisors (see below), whose sum is σ = 40062880. Its totient is φ = 40033980.

The previous prime is 40048427. The next prime is 40048441. The reversal of 40048429 is 92484004.

40048429 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 40048429 - 2¹ = 40048427 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 40048429.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40048423) 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, 1617 + ... + 9094.

It is an arithmetic number, because the mean of its divisors is an integer number (10015720).

Almost surely, 2^40048429 is an apocalyptic number.

It is an amenable number.

40048429 is a deficient number, since it is larger than the sum of its proper divisors (14451).

40048429 is a wasteful number, since it uses less digits than its factorization.

40048429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14450.

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 40048429 is about 6328.3828107977. The cubic root of 40048429 is about 342.1331543796.

The spelling of 40048429 in words is "forty million, forty-eight thousand, four hundred twenty-nine".