40417172 has 24 divisors (see below), whose sum is σ = 72943584. Its totient is φ = 19580832.

The previous prime is 40417171. The next prime is 40417219. The reversal of 40417172 is 27171404.

40417172 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40417171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50963 + ... + 51749.

It is an arithmetic number, because the mean of its divisors is an integer number (3039316).

Almost surely, 2^40417172 is an apocalyptic number.

It is an amenable number.

40417172 is a deficient number, since it is larger than the sum of its proper divisors (32526412).

40417172 is a wasteful number, since it uses less digits than its factorization.

40417172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1175 (or 1173 counting only the distinct ones).

The product of its (nonzero) digits is 1568, while the sum is 26.

The square root of 40417172 is about 6357.4501177752. The cubic root of 40417172 is about 343.1800033810.

Adding to 40417172 its reverse (27171404), we get a palindrome (67588576).

It can be divided in two parts, 404 and 17172, that added together give a cube (17576 = 26³).

The spelling of 40417172 in words is "forty million, four hundred seventeen thousand, one hundred seventy-two".