40116442 has 16 divisors (see below), whose sum is σ = 61585920. Its totient is φ = 19591312.

The previous prime is 40116431. The next prime is 40116443. The reversal of 40116442 is 24461104.

It is not an unprimeable number, because it can be changed into a prime (40116443) 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, 27159 + ... + 28597.

It is an arithmetic number, because the mean of its divisors is an integer number (3849120).

Almost surely, 2^40116442 is an apocalyptic number.

40116442 is a deficient number, since it is larger than the sum of its proper divisors (21469478).

40116442 is a wasteful number, since it uses less digits than its factorization.

40116442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1757.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 40116442 is about 6333.7541790000. The cubic root of 40116442 is about 342.3267228716.

Adding to 40116442 its reverse (24461104), we get a palindrome (64577546).

The spelling of 40116442 in words is "forty million, one hundred sixteen thousand, four hundred forty-two".