2400244402240 has 28 divisors (see below), whose sum is σ = 5715581983596. Its totient is φ = 960097760768.

The previous prime is 2400244402219. The next prime is 2400244402271. The reversal of 2400244402240 is 422044420042.

It can be written as a sum of positive squares in 2 ways, for example, as 614856720384 + 1785387681856 = 784128^2 + 1336184^2 .

It is a super-2 number, since 2×2400244402240² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2400244402199 and 2400244402208.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3750381559 + ... + 3750382198.

Almost surely, 2^{2400244402240} is an apocalyptic number.

2400244402240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2400244402240 is an abundant number, since it is smaller than the sum of its proper divisors (3315337581356).

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

2400244402240 is an equidigital number, since it uses as much as digits as its factorization.

2400244402240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7500763774 (or 7500763764 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 28.

Adding to 2400244402240 its reverse (422044420042), we get a palindrome (2822288822282).

The spelling of 2400244402240 in words is "two trillion, four hundred billion, two hundred forty-four million, four hundred two thousand, two hundred forty".