40022404 has 6 divisors (see below), whose sum is σ = 70039214. Its totient is φ = 20011200.

The previous prime is 40022377. The next prime is 40022413. The reversal of 40022404 is 40422004.

It can be written as a sum of positive squares in only one way, i.e., 31899904 + 8122500 = 5648^2 + 2850^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5002797 + ... + 5002804.

Almost surely, 2^40022404 is an apocalyptic number.

It is an amenable number.

40022404 is a deficient number, since it is larger than the sum of its proper divisors (30016810).

40022404 is a wasteful number, since it uses less digits than its factorization.

40022404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10005605 (or 10005603 counting only the distinct ones).

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

The square root of 40022404 is about 6326.3262641125. The cubic root of 40022404 is about 342.0590279200.

Adding to 40022404 its reverse (40422004), we get a palindrome (80444408).

The spelling of 40022404 in words is "forty million, twenty-two thousand, four hundred four".