40427078 has 8 divisors (see below), whose sum is σ = 61266072. Its totient is φ = 20005056.

The previous prime is 40427017. The next prime is 40427087. The reversal of 40427078 is 87072404.

40427078 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a Curzon number.

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 3 ways as a sum of consecutive naturals, for example, 104000 + ... + 104387.

It is an arithmetic number, because the mean of its divisors is an integer number (7658259).

Almost surely, 2^40427078 is an apocalyptic number.

40427078 is a deficient number, since it is larger than the sum of its proper divisors (20838994).

40427078 is a wasteful number, since it uses less digits than its factorization.

40427078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208486.

The product of its (nonzero) digits is 12544, while the sum is 32.

The square root of 40427078 is about 6358.2291559836. The cubic root of 40427078 is about 343.2080381927.

The spelling of 40427078 in words is "forty million, four hundred twenty-seven thousand, seventy-eight".