40852978 has 8 divisors (see below), whose sum is σ = 63256320. Its totient is φ = 19767540.

The previous prime is 40852961. The next prime is 40853027. The reversal of 40852978 is 87925804.

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

It is a super-2 number, since 2×40852978² = 3337931622936968, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 329398 + ... + 329521.

It is an arithmetic number, because the mean of its divisors is an integer number (7907040).

Almost surely, 2^40852978 is an apocalyptic number.

40852978 is a deficient number, since it is larger than the sum of its proper divisors (22403342).

40852978 is a wasteful number, since it uses less digits than its factorization.

40852978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 658952.

The product of its (nonzero) digits is 161280, while the sum is 43.

The square root of 40852978 is about 6391.6334375494. The cubic root of 40852978 is about 344.4090647054.

The spelling of 40852978 in words is "forty million, eight hundred fifty-two thousand, nine hundred seventy-eight".