40043702 has 4 divisors (see below), whose sum is σ = 60065556. Its totient is φ = 20021850.

The previous prime is 40043701. The next prime is 40043741. The reversal of 40043702 is 20734004.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40043701) 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, 10010924 + ... + 10010927.

It is an arithmetic number, because the mean of its divisors is an integer number (15016389).

Almost surely, 2^40043702 is an apocalyptic number.

40043702 is a deficient number, since it is larger than the sum of its proper divisors (20021854).

40043702 is a wasteful number, since it uses less digits than its factorization.

40043702 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20021853.

The product of its (nonzero) digits is 672, while the sum is 20.

The square root of 40043702 is about 6328.0093236341. The cubic root of 40043702 is about 342.1196929522.

Adding to 40043702 its reverse (20734004), we get a palindrome (60777706).

The spelling of 40043702 in words is "forty million, forty-three thousand, seven hundred two".