40221016 has 16 divisors (see below), whose sum is σ = 82270440. Its totient is φ = 18282240.

The previous prime is 40221001. The next prime is 40221017. The reversal of 40221016 is 61012204.

40221016 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 not an unprimeable number, because it can be changed into a prime (40221017) by changing a digit.

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, 228441 + ... + 228616.

Almost surely, 2^40221016 is an apocalyptic number.

It is an amenable number.

40221016 is an abundant number, since it is smaller than the sum of its proper divisors (42049424).

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

40221016 is a wasteful number, since it uses less digits than its factorization.

40221016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 457074 (or 457070 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 40221016 is about 6342.0040996518. The cubic root of 40221016 is about 342.6239194978.

The spelling of 40221016 in words is "forty million, two hundred twenty-one thousand, sixteen".