2000402440000 has 70 divisors (see below), whose sum is σ = 4960348019594. Its totient is φ = 800160960000.

The previous prime is 2000402439989. The next prime is 2000402440009. The reversal of 2000402440000 is 442040002.

It can be written as a sum of positive squares in 5 ways, for example, as 1536052869376 + 464349570624 = 1239376^2 + 681432^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2000402440009) by changing a digit.

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 in 9 ways as a sum of consecutive naturals, for example, 24965031 + ... + 25045030.

Almost surely, 2^{2000402440000} is an apocalyptic number.

2000402440000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2000402440000 is an abundant number, since it is smaller than the sum of its proper divisors (2959945579594).

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

2000402440000 is an frugal number, since it uses more digits than its factorization.

2000402440000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50010093 (or 50010068 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 16.

Adding to 2000402440000 its reverse (442040002), we get a palindrome (2000844480002).

The spelling of 2000402440000 in words is "two trillion, four hundred two million, four hundred forty thousand".