40806788 has 24 divisors (see below), whose sum is σ = 80419584. Its totient is φ = 17949600.

The previous prime is 40806719. The next prime is 40806791. The reversal of 40806788 is 88760804.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13595 + ... + 16322.

It is an arithmetic number, because the mean of its divisors is an integer number (3350816).

Almost surely, 2^40806788 is an apocalyptic number.

It is an amenable number.

40806788 is a deficient number, since it is larger than the sum of its proper divisors (39612796).

40806788 is a wasteful number, since it uses less digits than its factorization.

40806788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29963 (or 29961 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 41.

The square root of 40806788 is about 6388.0190982808. The cubic root of 40806788 is about 344.2792148980.

The spelling of 40806788 in words is "forty million, eight hundred six thousand, seven hundred eighty-eight".