40435442 has 8 divisors (see below), whose sum is σ = 61384176. Its totient is φ = 19974052.

The previous prime is 40435441. The next prime is 40435453. The reversal of 40435442 is 24453404.

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

It is not an unprimeable number, because it can be changed into a prime (40435441) 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, 121628 + ... + 121959.

It is an arithmetic number, because the mean of its divisors is an integer number (7673022).

Almost surely, 2^40435442 is an apocalyptic number.

40435442 is a deficient number, since it is larger than the sum of its proper divisors (20948734).

40435442 is a wasteful number, since it uses less digits than its factorization.

40435442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243672.

The product of its (nonzero) digits is 7680, while the sum is 26.

The square root of 40435442 is about 6358.8868522722. The cubic root of 40435442 is about 343.2317054493.

Adding to 40435442 its reverse (24453404), we get a palindrome (64888846).

The spelling of 40435442 in words is "forty million, four hundred thirty-five thousand, four hundred forty-two".