40427578 has 8 divisors (see below), whose sum is σ = 60674868. Its totient is φ = 20202624.

The previous prime is 40427561. The next prime is 40427593. The reversal of 40427578 is 87572404.

It can be written as a sum of positive squares in 2 ways, for example, as 40411449 + 16129 = 6357^2 + 127^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100 + ... + 8992.

Almost surely, 2^40427578 is an apocalyptic number.

40427578 is a deficient number, since it is larger than the sum of its proper divisors (20247290).

40427578 is a wasteful number, since it uses less digits than its factorization.

40427578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11168.

The product of its (nonzero) digits is 62720, while the sum is 37.

The square root of 40427578 is about 6358.2684749859. The cubic root of 40427578 is about 343.2094531132.

The spelling of 40427578 in words is "forty million, four hundred twenty-seven thousand, five hundred seventy-eight".