2002375444 has 6 divisors (see below), whose sum is σ = 3504157034. Its totient is φ = 1001187720.

The previous prime is 2002375421. The next prime is 2002375471. The reversal of 2002375444 is 4445732002.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1781852944 + 220522500 = 42212^2 + 14850^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250296927 + ... + 250296934.

Almost surely, 2^2002375444 is an apocalyptic number.

It is an amenable number.

2002375444 is a deficient number, since it is larger than the sum of its proper divisors (1501781590).

2002375444 is a wasteful number, since it uses less digits than its factorization.

2002375444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500593865 (or 500593863 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 31.

The square root of 2002375444 is about 44747.9099400184. The cubic root of 2002375444 is about 1260.4196645248.

The spelling of 2002375444 in words is "two billion, two million, three hundred seventy-five thousand, four hundred forty-four".