2003444087394 has 16 divisors (see below), whose sum is σ = 4030881519168. Its totient is φ = 663815805072.

The previous prime is 2003444087371. The next prime is 2003444087431. The reversal of 2003444087394 is 4937804443002.

It is a happy number.

It is a super-2 number, since 2×2003444087394² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 999721597 + ... + 999723600.

It is an arithmetic number, because the mean of its divisors is an integer number (251930094948).

Almost surely, 2^{2003444087394} is an apocalyptic number.

2003444087394 is an abundant number, since it is smaller than the sum of its proper divisors (2027437431774).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2003444087394 is a wasteful number, since it uses less digits than its factorization.

2003444087394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1999445369.

The product of its (nonzero) digits is 2322432, while the sum is 48.

The spelling of 2003444087394 in words is "two trillion, three billion, four hundred forty-four million, eighty-seven thousand, three hundred ninety-four".