40878682 has 32 divisors (see below), whose sum is σ = 69455232. Its totient is φ = 17903424.

The previous prime is 40878653. The next prime is 40878697. The reversal of 40878682 is 28687804.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 117633 + ... + 117979.

It is an arithmetic number, because the mean of its divisors is an integer number (2170476).

Almost surely, 2^40878682 is an apocalyptic number.

40878682 is a deficient number, since it is larger than the sum of its proper divisors (28576550).

40878682 is a wasteful number, since it uses less digits than its factorization.

40878682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 582.

The product of its (nonzero) digits is 172032, while the sum is 43.

The square root of 40878682 is about 6393.6438749746. The cubic root of 40878682 is about 344.4812816732.

It can be divided in two parts, 4087 and 8682, that added together give a square (12769 = 113²).

The spelling of 40878682 in words is "forty million, eight hundred seventy-eight thousand, six hundred eighty-two".