2440300020 has 96 divisors (see below), whose sum is σ = 7259269248. Its totient is φ = 610394112.

The previous prime is 2440300013. The next prime is 2440300081. The reversal of 2440300020 is 200030442.

It is a happy number.

It is a super-2 number, since 2×2440300020² = 11910128375224000800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

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, 309244 + ... + 317036.

It is an arithmetic number, because the mean of its divisors is an integer number (75617388).

Almost surely, 2^2440300020 is an apocalyptic number.

2440300020 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 2440300020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3629634624).

2440300020 is an abundant number, since it is smaller than the sum of its proper divisors (4818969228).

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

2440300020 is a wasteful number, since it uses less digits than its factorization.

2440300020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8129 (or 8127 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 15.

The square root of 2440300020 is about 49399.3929112494. The cubic root of 2440300020 is about 1346.3182755872.

Adding to 2440300020 its reverse (200030442), we get a palindrome (2640330462).

The spelling of 2440300020 in words is "two billion, four hundred forty million, three hundred thousand, twenty".