4002440424266 has 4 divisors (see below), whose sum is σ = 6003660636402. Its totient is φ = 2001220212132.

The previous prime is 4002440424259. The next prime is 4002440424319. The reversal of 4002440424266 is 6624240442004.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 3552957335041 + 449483089225 = 1884929^2 + 670435^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1000610106065 + ... + 1000610106068.

Almost surely, 2^{4002440424266} is an apocalyptic number.

4002440424266 is a deficient number, since it is larger than the sum of its proper divisors (2001220212136).

4002440424266 is a wasteful number, since it uses less digits than its factorization.

4002440424266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2001220212135.

The product of its (nonzero) digits is 294912, while the sum is 38.

The spelling of 4002440424266 in words is "four trillion, two billion, four hundred forty million, four hundred twenty-four thousand, two hundred sixty-six".