40040480008 has 8 divisors (see below), whose sum is σ = 75075900030. Its totient is φ = 20020240000.

The previous prime is 40040479991. The next prime is 40040480023. The reversal of 40040480008 is 80008404004.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 27581902084 + 12458577924 = 166078^2 + 111618^2 .

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, 2502529993 + ... + 2502530008.

Almost surely, 2^40040480008 is an apocalyptic number.

It is an amenable number.

40040480008 is a deficient number, since it is larger than the sum of its proper divisors (35035420022).

40040480008 is a wasteful number, since it uses less digits than its factorization.

40040480008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5005060007 (or 5005060003 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 28.

The spelling of 40040480008 in words is "forty billion, forty million, four hundred eighty thousand, eight".