2400042204020 has 48 divisors (see below), whose sum is σ = 5086011325248. Its totient is φ = 951274114560.

The previous prime is 2400042204017. The next prime is 2400042204023. The reversal of 2400042204020 is 204022400042.

It is an interprime number because it is at equal distance from previous prime (2400042204017) and next prime (2400042204023).

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 = 2400042203983 and 2400042204001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2400042204023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8693915 + ... + 8965725.

It is an arithmetic number, because the mean of its divisors is an integer number (105958569276).

Almost surely, 2^{2400042204020} is an apocalyptic number.

2400042204020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2400042204020 is an abundant number, since it is smaller than the sum of its proper divisors (2685969121228).

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

2400042204020 is a wasteful number, since it uses less digits than its factorization.

2400042204020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275840 (or 275838 counting only the distinct ones).

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

Adding to 2400042204020 its reverse (204022400042), we get a palindrome (2604064604062).

It can be divided in two parts, 2400042 and 204020, that added together give a palindrome (2604062).

The spelling of 2400042204020 in words is "two trillion, four hundred billion, forty-two million, two hundred four thousand, twenty".