40985878 has 8 divisors (see below), whose sum is σ = 65095272. Its totient is φ = 19287456.

The previous prime is 40985851. The next prime is 40985887. The reversal of 40985878 is 87858904.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 602700 + ... + 602767.

It is an arithmetic number, because the mean of its divisors is an integer number (8136909).

Almost surely, 2^40985878 is an apocalyptic number.

40985878 is a deficient number, since it is larger than the sum of its proper divisors (24109394).

40985878 is a wasteful number, since it uses less digits than its factorization.

40985878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1205486.

The product of its (nonzero) digits is 645120, while the sum is 49.

The square root of 40985878 is about 6402.0213995269. The cubic root of 40985878 is about 344.7821294725.

The spelling of 40985878 in words is "forty million, nine hundred eighty-five thousand, eight hundred seventy-eight".