40806080 has 56 divisors (see below), whose sum is σ = 111056928. Its totient is φ = 13989888.

The previous prime is 40806067. The next prime is 40806083. The reversal of 40806080 is 8060804.

It is a tau number, because it is divible by the number of its divisors (56).

It is not an unprimeable number, because it can be changed into a prime (40806083) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6869 + ... + 11348.

Almost surely, 2^40806080 is an apocalyptic number.

40806080 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40806080 is an abundant number, since it is smaller than the sum of its proper divisors (70250848).

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

40806080 is a wasteful number, since it uses less digits than its factorization.

40806080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18241 (or 18231 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 40806080 is about 6387.9636818003. The cubic root of 40806080 is about 344.2772237988.

Adding to 40806080 its reverse (8060804), we get a palindrome (48866884).

The spelling of 40806080 in words is "forty million, eight hundred six thousand, eighty".