40435942 has 8 divisors (see below), whose sum is σ = 61221096. Its totient is φ = 20028912.

The previous prime is 40435939. The next prime is 40435949. The reversal of 40435942 is 24953404.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40435949) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94263 + ... + 94690.

It is an arithmetic number, because the mean of its divisors is an integer number (7652637).

Almost surely, 2^40435942 is an apocalyptic number.

40435942 is a deficient number, since it is larger than the sum of its proper divisors (20785154).

40435942 is a wasteful number, since it uses less digits than its factorization.

40435942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189062.

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 40435942 is about 6358.9261672078. The cubic root of 40435942 is about 343.2331201747.

The spelling of 40435942 in words is "forty million, four hundred thirty-five thousand, nine hundred forty-two".