40478516 has 24 divisors (see below), whose sum is σ = 76562304. Its totient is φ = 18614880.

The previous prime is 40478497. The next prime is 40478527. The reversal of 40478516 is 61587404.

40478516 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14921 + ... + 17423.

It is an arithmetic number, because the mean of its divisors is an integer number (3190096).

Almost surely, 2^40478516 is an apocalyptic number.

It is an amenable number.

40478516 is a deficient number, since it is larger than the sum of its proper divisors (36083788).

40478516 is a wasteful number, since it uses less digits than its factorization.

40478516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2831 (or 2829 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 35.

The square root of 40478516 is about 6362.2728643151. The cubic root of 40478516 is about 343.3535384680.

The spelling of 40478516 in words is "forty million, four hundred seventy-eight thousand, five hundred sixteen".