40163270 has 16 divisors (see below), whose sum is σ = 82621728. Its totient is φ = 13770240.

The previous prime is 40163261. The next prime is 40163273. The reversal of 40163270 is 7236104.

It is a super-2 number, since 2×40163270² = 3226176514185800, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40163273) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 286811 + ... + 286950.

It is an arithmetic number, because the mean of its divisors is an integer number (5163858).

Almost surely, 2^40163270 is an apocalyptic number.

40163270 is an abundant number, since it is smaller than the sum of its proper divisors (42458458).

40163270 is a wasteful number, since it uses less digits than its factorization.

40163270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 573775.

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 40163270 is about 6337.4498025625. The cubic root of 40163270 is about 342.4598706247.

Adding to 40163270 its reverse (7236104), we get a palindrome (47399374).

The spelling of 40163270 in words is "forty million, one hundred sixty-three thousand, two hundred seventy".