2040350019240 has 128 divisors (see below), whose sum is σ = 6628320316800. Its totient is φ = 499465128960.

The previous prime is 2040350019229. The next prime is 2040350019277. The reversal of 2040350019240 is 429100530402.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 2040350019198 and 2040350019207.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3330670 + ... + 3895389.

It is an arithmetic number, because the mean of its divisors is an integer number (51783752475).

Almost surely, 2^{2040350019240} is an apocalyptic number.

2040350019240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2040350019240 is an abundant number, since it is smaller than the sum of its proper divisors (4587970297560).

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

2040350019240 is a wasteful number, since it uses less digits than its factorization.

2040350019240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7226267 (or 7226263 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

Adding to 2040350019240 its reverse (429100530402), we get a palindrome (2469450549642).

The spelling of 2040350019240 in words is "two trillion, forty billion, three hundred fifty million, nineteen thousand, two hundred forty".