40041429 has 8 divisors (see below), whose sum is σ = 55110912. Its totient is φ = 25833120.

The previous prime is 40041389. The next prime is 40041451. The reversal of 40041429 is 92414004.

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

It is not a de Polignac number, because 40041429 - 2⁷ = 40041301 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40041399 and 40041408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40041479) 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, 215184 + ... + 215369.

It is an arithmetic number, because the mean of its divisors is an integer number (6888864).

Almost surely, 2^40041429 is an apocalyptic number.

It is an amenable number.

40041429 is a deficient number, since it is larger than the sum of its proper divisors (15069483).

40041429 is a wasteful number, since it uses less digits than its factorization.

40041429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 430587.

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

The square root of 40041429 is about 6327.8297227406. The cubic root of 40041429 is about 342.1132195849.

It can be divided in two parts, 40041 and 429, that added together give a triangular number (40470 = T₂₈₄).

The spelling of 40041429 in words is "forty million, forty-one thousand, four hundred twenty-nine".