40451168 has 24 divisors (see below), whose sum is σ = 80228232. Its totient is φ = 20075776.

The previous prime is 40451153. The next prime is 40451189. The reversal of 40451168 is 86115404.

It is a self number, because there is not a number n which added to its sum of digits gives 40451168.

It is a congruent number.

It is an unprimeable number.

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, 230 + ... + 8997.

It is an arithmetic number, because the mean of its divisors is an integer number (3342843).

Almost surely, 2^40451168 is an apocalyptic number.

It is an amenable number.

40451168 is a deficient number, since it is larger than the sum of its proper divisors (39777064).

40451168 is a wasteful number, since it uses less digits than its factorization.

40451168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9374 (or 9366 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 40451168 is about 6360.1232692457. The cubic root of 40451168 is about 343.2761958100.

The spelling of 40451168 in words is "forty million, four hundred fifty-one thousand, one hundred sixty-eight".