40163055 has 24 divisors (see below), whose sum is σ = 67830192. Its totient is φ = 20290176.

The previous prime is 40163023. The next prime is 40163059. The reversal of 40163055 is 55036104.

It is not a de Polignac number, because 40163055 - 2⁵ = 40163023 is a prime.

It is a super-2 number, since 2×40163055² = 3226141973866050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40163059) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1707 + ... + 9123.

It is an arithmetic number, because the mean of its divisors is an integer number (2826258).

Almost surely, 2^40163055 is an apocalyptic number.

40163055 is a deficient number, since it is larger than the sum of its proper divisors (27667137).

40163055 is a wasteful number, since it uses less digits than its factorization.

40163055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7463 (or 7444 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 40163055 is about 6337.4328398808. The cubic root of 40163055 is about 342.4592595440.

Adding to 40163055 its reverse (55036104), we get a palindrome (95199159).

The spelling of 40163055 in words is "forty million, one hundred sixty-three thousand, fifty-five".