40634168 has 16 divisors (see below), whose sum is σ = 76534080. Its totient is φ = 20225088.

The previous prime is 40634161. The next prime is 40634171. The reversal of 40634168 is 86143604.

It is a super-2 number, since 2×40634168² = 3302271218104448, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40634161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9605 + ... + 13172.

It is an arithmetic number, because the mean of its divisors is an integer number (4783380).

Almost surely, 2^40634168 is an apocalyptic number.

It is an amenable number.

40634168 is a deficient number, since it is larger than the sum of its proper divisors (35899912).

40634168 is a wasteful number, since it uses less digits than its factorization.

40634168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23006 (or 23002 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 40634168 is about 6374.4935485103. The cubic root of 40634168 is about 343.7930745802.

The spelling of 40634168 in words is "forty million, six hundred thirty-four thousand, one hundred sixty-eight".