4000010008 has 8 divisors (see below), whose sum is σ = 7500018780. Its totient is φ = 2000005000.

The previous prime is 4000009973. The next prime is 4000010009. The reversal of 4000010008 is 8000100004.

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

It is a self number, because there is not a number n which added to its sum of digits gives 4000010008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4000010009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250000618 + ... + 250000633.

Almost surely, 2^4000010008 is an apocalyptic number.

It is an amenable number.

4000010008 is a deficient number, since it is larger than the sum of its proper divisors (3500008772).

4000010008 is a wasteful number, since it uses less digits than its factorization.

4000010008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500001257 (or 500001253 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 4000010008 is about 63245.6323235052. The cubic root of 4000010008 is about 1587.4023758596.

The spelling of 4000010008 in words is "four billion, ten thousand, eight".