40642204 has 6 divisors (see below), whose sum is σ = 71123864. Its totient is φ = 20321100.

The previous prime is 40642201. The next prime is 40642207. The reversal of 40642204 is 40224604.

It is an interprime number because it is at equal distance from previous prime (40642201) and next prime (40642207).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40642201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5080272 + ... + 5080279.

Almost surely, 2^40642204 is an apocalyptic number.

It is an amenable number.

40642204 is a deficient number, since it is larger than the sum of its proper divisors (30481660).

40642204 is a wasteful number, since it uses less digits than its factorization.

40642204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10160555 (or 10160553 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 40642204 is about 6375.1238419344. The cubic root of 40642204 is about 343.8157364530.

Adding to 40642204 its reverse (40224604), we get a palindrome (80866808).

The spelling of 40642204 in words is "forty million, six hundred forty-two thousand, two hundred four".