40665080 has 32 divisors (see below), whose sum is σ = 92124000. Its totient is φ = 16154496.

The previous prime is 40665067. The next prime is 40665083. The reversal of 40665080 is 8056604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40665083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2549 + ... + 9371.

It is an arithmetic number, because the mean of its divisors is an integer number (2878875).

Almost surely, 2^40665080 is an apocalyptic number.

40665080 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40665080 is an abundant number, since it is smaller than the sum of its proper divisors (51458920).

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

40665080 is a wasteful number, since it uses less digits than its factorization.

40665080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6983 (or 6979 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 40665080 is about 6376.9177507633. The cubic root of 40665080 is about 343.8802314263.

The spelling of 40665080 in words is "forty million, six hundred sixty-five thousand, eighty".