40643114 has 4 divisors (see below), whose sum is σ = 60964674. Its totient is φ = 20321556.

The previous prime is 40643111. The next prime is 40643117. The reversal of 40643114 is 41134604.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (40643111) and next prime (40643117).

It can be written as a sum of positive squares in only one way, i.e., 27196225 + 13446889 = 5215^2 + 3667^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 40643114.

It is not an unprimeable number, because it can be changed into a prime (40643111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10160777 + ... + 10160780.

Almost surely, 2^40643114 is an apocalyptic number.

40643114 is a deficient number, since it is larger than the sum of its proper divisors (20321560).

40643114 is a wasteful number, since it uses less digits than its factorization.

40643114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20321559.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 40643114 is about 6375.1952126974. The cubic root of 40643114 is about 343.8183025047.

Adding to 40643114 its reverse (41134604), we get a palindrome (81777718).

The spelling of 40643114 in words is "forty million, six hundred forty-three thousand, one hundred fourteen".