2420244404240 has 40 divisors (see below), whose sum is σ = 6059919645528. Its totient is φ = 893628702720.

The previous prime is 2420244404191. The next prime is 2420244404251. The reversal of 2420244404240 is 424044420242.

It can be written as a sum of positive squares in 4 ways, for example, as 498594156544 + 1921650247696 = 706112^2 + 1386236^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 2420244404197 and 2420244404206.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1163578001 + ... + 1163580080.

Almost surely, 2^{2420244404240} is an apocalyptic number.

2420244404240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2420244404240 is an abundant number, since it is smaller than the sum of its proper divisors (3639675241288).

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

2420244404240 is a wasteful number, since it uses less digits than its factorization.

2420244404240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2327158107 (or 2327158101 counting only the distinct ones).

The product of its (nonzero) digits is 65536, while the sum is 32.

Adding to 2420244404240 its reverse (424044420242), we get a palindrome (2844288824482).

The spelling of 2420244404240 in words is "two trillion, four hundred twenty billion, two hundred forty-four million, four hundred four thousand, two hundred forty".