40104429 has 8 divisors (see below), whose sum is σ = 54149760. Its totient is φ = 26397696.

The previous prime is 40104397. The next prime is 40104431. The reversal of 40104429 is 92440104.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 40104429 - 2⁵ = 40104397 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40104399 and 40104408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40104469) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84372 + ... + 84845.

It is an arithmetic number, because the mean of its divisors is an integer number (6768720).

Almost surely, 2^40104429 is an apocalyptic number.

It is an amenable number.

40104429 is a deficient number, since it is larger than the sum of its proper divisors (14045331).

40104429 is a wasteful number, since it uses less digits than its factorization.

40104429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169299.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 40104429 is about 6332.8057762733. The cubic root of 40104429 is about 342.2925491739.

The spelling of 40104429 in words is "forty million, one hundred four thousand, four hundred twenty-nine".