2240040240020 has 48 divisors (see below), whose sum is σ = 5202026238528. Its totient is φ = 803401724160.

The previous prime is 2240040239993. The next prime is 2240040240023. The reversal of 2240040240020 is 200420400422.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 2240040239974 and 2240040240001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2240040240023) 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 15 ways as a sum of consecutive naturals, for example, 69723674 + ... + 69755793.

It is an arithmetic number, because the mean of its divisors is an integer number (108375546636).

Almost surely, 2^{2240040240020} is an apocalyptic number.

2240040240020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2240040240020 is an abundant number, since it is smaller than the sum of its proper divisors (2961985998508).

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

2240040240020 is a wasteful number, since it uses less digits than its factorization.

2240040240020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139479560 (or 139479558 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

Adding to 2240040240020 its reverse (200420400422), we get a palindrome (2440460640442).

The spelling of 2240040240020 in words is "two trillion, two hundred forty billion, forty million, two hundred forty thousand, twenty".