40069916 has 6 divisors (see below), whose sum is σ = 70122360. Its totient is φ = 20034956.

The previous prime is 40069889. The next prime is 40069921. The reversal of 40069916 is 61996004.

40069916 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 as a sum of consecutive naturals, namely, 5008736 + ... + 5008743.

It is an arithmetic number, because the mean of its divisors is an integer number (11687060).

Almost surely, 2^40069916 is an apocalyptic number.

It is an amenable number.

40069916 is a deficient number, since it is larger than the sum of its proper divisors (30052444).

40069916 is a wasteful number, since it uses less digits than its factorization.

40069916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10017483 (or 10017481 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 35.

The square root of 40069916 is about 6330.0802522559. The cubic root of 40069916 is about 342.1943311509.

The spelling of 40069916 in words is "forty million, sixty-nine thousand, nine hundred sixteen".