40653168 has 40 divisors (see below), whose sum is σ = 105262608. Its totient is φ = 13519872.

The previous prime is 40653161. The next prime is 40653187. The reversal of 40653168 is 86135604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40653161) 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 7 ways as a sum of consecutive naturals, for example, 30696 + ... + 31992.

Almost surely, 2^40653168 is an apocalyptic number.

40653168 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

40653168 is an abundant number, since it is smaller than the sum of its proper divisors (64609440).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40653168 is a wasteful number, since it uses less digits than its factorization.

40653168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1961 (or 1955 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 40653168 is about 6375.9836888123. The cubic root of 40653168 is about 343.8466505968.

The spelling of 40653168 in words is "forty million, six hundred fifty-three thousand, one hundred sixty-eight".