40104172 has 12 divisors (see below), whose sum is σ = 70270200. Its totient is φ = 20026976.

The previous prime is 40104167. The next prime is 40104217. The reversal of 40104172 is 27140104.

It is a super-2 number, since 2×40104172² = 3216689223611168, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2422 + ... + 9277.

It is an arithmetic number, because the mean of its divisors is an integer number (5855850).

Almost surely, 2^40104172 is an apocalyptic number.

It is an amenable number.

40104172 is a deficient number, since it is larger than the sum of its proper divisors (30166028).

40104172 is a wasteful number, since it uses less digits than its factorization.

40104172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12560 (or 12558 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 19.

The square root of 40104172 is about 6332.7854850768. The cubic root of 40104172 is about 342.2918180047.

Adding to 40104172 its reverse (27140104), we get a palindrome (67244276).

The spelling of 40104172 in words is "forty million, one hundred four thousand, one hundred seventy-two".