40808887 has 16 divisors (see below), whose sum is σ = 49170240. Its totient is φ = 33126912.

The previous prime is 40808861. The next prime is 40808897. The reversal of 40808887 is 78880804.

It is not a de Polignac number, because 40808887 - 2⁷ = 40808759 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40808897) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8863 + ... + 12655.

It is an arithmetic number, because the mean of its divisors is an integer number (3073140).

Almost surely, 2^40808887 is an apocalyptic number.

40808887 is a deficient number, since it is larger than the sum of its proper divisors (8361353).

40808887 is a wasteful number, since it uses less digits than its factorization.

40808887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3882.

The product of its (nonzero) digits is 114688, while the sum is 43.

The square root of 40808887 is about 6388.1833881003. The cubic root of 40808887 is about 344.2851177532.

The spelling of 40808887 in words is "forty million, eight hundred eight thousand, eight hundred eighty-seven".