40016008 has 8 divisors (see below), whose sum is σ = 75030030. Its totient is φ = 20008000.

The previous prime is 40015999. The next prime is 40016051. The reversal of 40016008 is 80061004.

It can be written as a sum of positive squares in only one way, i.e., 36024004 + 3992004 = 6002^2 + 1998^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2500993 + ... + 2501008.

Almost surely, 2^40016008 is an apocalyptic number.

It is an amenable number.

40016008 is a deficient number, since it is larger than the sum of its proper divisors (35014022).

40016008 is a wasteful number, since it uses less digits than its factorization.

40016008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5002007 (or 5002003 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 40016008 is about 6325.8207372641. The cubic root of 40016008 is about 342.0408054090.

The spelling of 40016008 in words is "forty million, sixteen thousand, eight".