2440244402240 has 56 divisors (see below), whose sum is σ = 5810965301592. Its totient is φ = 976075366400.

The previous prime is 2440244402203. The next prime is 2440244402263. The reversal of 2440244402240 is 422044420442.

It can be written as a sum of positive squares in 4 ways, for example, as 712660132864 + 1727584269376 = 844192^2 + 1314376^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a junction number, because it is equal to n+sod(n) for n = 2440244402197 and 2440244402206.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26289992 + ... + 26382648.

Almost surely, 2^{2440244402240} is an apocalyptic number.

2440244402240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2440244402240 is an abundant number, since it is smaller than the sum of its proper divisors (3370720899352).

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

2440244402240 is an equidigital number, since it uses as much as digits as its factorization.

2440244402240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174975 (or 174965 counting only the distinct ones).

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

Adding to 2440244402240 its reverse (422044420442), we get a palindrome (2862288822682).

The spelling of 2440244402240 in words is "two trillion, four hundred forty billion, two hundred forty-four million, four hundred two thousand, two hundred forty".