40427816 has 32 divisors (see below), whose sum is σ = 89056800. Its totient is φ = 16962240.

The previous prime is 40427797. The next prime is 40427831. The reversal of 40427816 is 61872404.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16526 + ... + 18813.

It is an arithmetic number, because the mean of its divisors is an integer number (2783025).

Almost surely, 2^40427816 is an apocalyptic number.

It is an amenable number.

40427816 is an abundant number, since it is smaller than the sum of its proper divisors (48628984).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40427816 is a wasteful number, since it uses less digits than its factorization.

40427816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35369 (or 35365 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 40427816 is about 6358.2871907456. The cubic root of 40427816 is about 343.2101266113.

The spelling of 40427816 in words is "forty million, four hundred twenty-seven thousand, eight hundred sixteen".