2000040000 has 280 divisors, whose sum is σ = 7560429888. Its totient is φ = 456960000.

The previous prime is 2000039969. The next prime is 2000040043. The reversal of 2000040000 is 400002.

It is a tau number, because it is divible by the number of its divisors (280).

It is a Harshad number since it is a multiple of its sum of digits (6).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 838810 + ... + 841190.

Almost surely, 2^2000040000 is an apocalyptic number.

2000040000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2000040000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3780214944).

2000040000 is an abundant number, since it is smaller than the sum of its proper divisors (5560389888).

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

2000040000 is an equidigital number, since it uses as much as digits as its factorization.

2000040000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2423 (or 2398 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 6.

The square root of 2000040000 is about 44721.8067613552. The cubic root of 2000040000 is about 1259.9294493125.

Adding to 2000040000 its reverse (400002), we get a palindrome (2000440002).

The spelling of 2000040000 in words is "two billion, forty thousand", and thus it is an eban number.