2003400043002 has 24 divisors (see below), whose sum is σ = 4341138889620. Its totient is φ = 667732507200.

The previous prime is 2003400042971. The next prime is 2003400043019.

2003400043002 is a `hidden beast` number, since 20 + 0 + 340 + 0 + 0 + 4 + 300 + 2 = 666.

2003400043002 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 2 ways, for example, as 1999766485161 + 3633557841 = 1414131^2 + 60279^2 .

It is a super-2 number, since 2×2003400043002² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5442427 + ... + 5798862.

Almost surely, 2^{2003400043002} is an apocalyptic number.

2003400043002 is an abundant number, since it is smaller than the sum of its proper divisors (2337738846618).

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

2003400043002 is a wasteful number, since it uses less digits than its factorization.

2003400043002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11251198 (or 11251195 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

It can be divided in two parts, 20034000 and 43002, that added together give a palindrome (20077002).

The spelling of 2003400043002 in words is "two trillion, three billion, four hundred million, forty-three thousand, two".