40022044 has 6 divisors (see below), whose sum is σ = 70038584. Its totient is φ = 20011020.

The previous prime is 40022041. The next prime is 40022053. The reversal of 40022044 is 44022004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40022041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5002752 + ... + 5002759.

Almost surely, 2^40022044 is an apocalyptic number.

It is an amenable number.

40022044 is a deficient number, since it is larger than the sum of its proper divisors (30016540).

40022044 is a wasteful number, since it uses less digits than its factorization.

40022044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10005515 (or 10005513 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 16.

The square root of 40022044 is about 6326.2978115166. The cubic root of 40022044 is about 342.0580023143.

Adding to 40022044 its reverse (44022004), we get a palindrome (84044048).

The spelling of 40022044 in words is "forty million, twenty-two thousand, forty-four".