40385080 has 16 divisors (see below), whose sum is σ = 90866520. Its totient is φ = 16154016.

The previous prime is 40385071. The next prime is 40385113. The reversal of 40385080 is 8058304.

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, 504774 + ... + 504853.

Almost surely, 2^40385080 is an apocalyptic number.

40385080 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40385080 is an abundant number, since it is smaller than the sum of its proper divisors (50481440).

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

40385080 is a wasteful number, since it uses less digits than its factorization.

40385080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1009638 (or 1009634 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 40385080 is about 6354.9256486603. The cubic root of 40385080 is about 343.0891488560.

The spelling of 40385080 in words is "forty million, three hundred eighty-five thousand, eighty".