2000311440440 has 32 divisors (see below), whose sum is σ = 4503467144880. Its totient is φ = 799632771072.

The previous prime is 2000311440409. The next prime is 2000311440461. The reversal of 2000311440440 is 440441130002.

It is a happy number.

It is a congruent 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, 15303017 + ... + 15433176.

Almost surely, 2^{2000311440440} is an apocalyptic number.

2000311440440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2000311440440 is an abundant number, since it is smaller than the sum of its proper divisors (2503155704440).

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

2000311440440 is a wasteful number, since it uses less digits than its factorization.

2000311440440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30737831 (or 30737827 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 2000311440440 its reverse (440441130002), we get a palindrome (2440752570442).

The spelling of 2000311440440 in words is "two trillion, three hundred eleven million, four hundred forty thousand, four hundred forty".