413640172 has 48 divisors (see below), whose sum is σ = 805738752. Its totient is φ = 184236480.

The previous prime is 413640169. The next prime is 413640173. The reversal of 413640172 is 271046314.

It is a self number, because there is not a number n which added to its sum of digits gives 413640172.

It is not an unprimeable number, because it can be changed into a prime (413640173) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 484498 + ... + 485350.

It is an arithmetic number, because the mean of its divisors is an integer number (16786224).

Almost surely, 2^413640172 is an apocalyptic number.

It is an amenable number.

413640172 is a deficient number, since it is larger than the sum of its proper divisors (392098580).

413640172 is a wasteful number, since it uses less digits than its factorization.

413640172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1078 (or 1076 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 413640172 is about 20338.1457365218. The cubic root of 413640172 is about 745.0880018562.

Adding to 413640172 its reverse (271046314), we get a palindrome (684686486).

The spelling of 413640172 in words is "four hundred thirteen million, six hundred forty thousand, one hundred seventy-two".