40885173 has 12 divisors (see below), whose sum is σ = 67493088. Its totient is φ = 23362920.

The previous prime is 40885151. The next prime is 40885181. The reversal of 40885173 is 37158804.

40885173 is a `hidden beast` number, since 408 + 85 + 173 = 666.

It is not a de Polignac number, because 40885173 - 2⁶ = 40885109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40885133) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 324423 + ... + 324548.

It is an arithmetic number, because the mean of its divisors is an integer number (5624424).

Almost surely, 2^40885173 is an apocalyptic number.

It is an amenable number.

40885173 is a deficient number, since it is larger than the sum of its proper divisors (26607915).

40885173 is a wasteful number, since it uses less digits than its factorization.

40885173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 648984 (or 648981 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The square root of 40885173 is about 6394.1514683342. The cubic root of 40885173 is about 344.4995137488.

It can be divided in two parts, 4088 and 5173, that added together give a cube (9261 = 21³).

The spelling of 40885173 in words is "forty million, eight hundred eighty-five thousand, one hundred seventy-three".