40288856 has 16 divisors (see below), whose sum is σ = 77583840. Its totient is φ = 19599840.

The previous prime is 40288841. The next prime is 40288883. The reversal of 40288856 is 65888204.

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, 67760 + ... + 68351.

It is an arithmetic number, because the mean of its divisors is an integer number (4848990).

Almost surely, 2^40288856 is an apocalyptic number.

It is an amenable number.

40288856 is a deficient number, since it is larger than the sum of its proper divisors (37294984).

40288856 is a wasteful number, since it uses less digits than its factorization.

40288856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136154 (or 136150 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 41.

The square root of 40288856 is about 6347.3503133197. The cubic root of 40288856 is about 342.8164436478.

The spelling of 40288856 in words is "forty million, two hundred eighty-eight thousand, eight hundred fifty-six".