2240004242440 has 32 divisors (see below), whose sum is σ = 5040590105880. Its totient is φ = 895898486272.

The previous prime is 2240004242401. The next prime is 2240004242477. The reversal of 2240004242440 is 442424000422.

It can be written as a sum of positive squares in 4 ways, for example, as 767912205636 + 1472092036804 = 876306^2 + 1213298^2 .

It is a super-2 number, since 2×2240004242440² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2240004242399 and 2240004242408.

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, 2873269 + ... + 3568708.

Almost surely, 2^{2240004242440} is an apocalyptic number.

2240004242440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2240004242440 is an abundant number, since it is smaller than the sum of its proper divisors (2800585863440).

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

2240004242440 is a wasteful number, since it uses less digits than its factorization.

2240004242440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6450681 (or 6450677 counting only the distinct ones).

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

Adding to 2240004242440 its reverse (442424000422), we get a palindrome (2682428242862).

The spelling of 2240004242440 in words is "two trillion, two hundred forty billion, four million, two hundred forty-two thousand, four hundred forty".