2040402040000 has 70 divisors (see below), whose sum is σ = 5059534027724. Its totient is φ = 816160800000.

The previous prime is 2040402039983. The next prime is 2040402040009. The reversal of 2040402040000 is 402040402.

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

It is not an unprimeable number, because it can be changed into a prime (2040402040009) by changing a digit.

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 in 9 ways as a sum of consecutive naturals, for example, 25465026 + ... + 25545025.

Almost surely, 2^{2040402040000} is an apocalyptic number.

2040402040000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2040402040000 is an abundant number, since it is smaller than the sum of its proper divisors (3019131987724).

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

2040402040000 is an frugal number, since it uses more digits than its factorization.

2040402040000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51010083 (or 51010058 counting only the distinct ones).

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

Adding to 2040402040000 its reverse (402040402), we get a palindrome (2040804080402).

The spelling of 2040402040000 in words is "two trillion, forty billion, four hundred two million, forty thousand".