1240224330340 has 12 divisors (see below), whose sum is σ = 2604471093756. Its totient is φ = 496089732128.

The previous prime is 1240224330281. The next prime is 1240224330343. The reversal of 1240224330340 is 430334220421.

It can be written as a sum of positive squares in 2 ways, for example, as 738815887936 + 501408442404 = 859544^2 + 708102^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1240224330299 and 1240224330308.

It is not an unprimeable number, because it can be changed into a prime (1240224330343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31005608239 + ... + 31005608278.

It is an arithmetic number, because the mean of its divisors is an integer number (217039257813).

Almost surely, 2^{1240224330340} is an apocalyptic number.

1240224330340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1240224330340 is an abundant number, since it is smaller than the sum of its proper divisors (1364246763416).

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

1240224330340 is a wasteful number, since it uses less digits than its factorization.

1240224330340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62011216526 (or 62011216524 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 1240224330340 its reverse (430334220421), we get a palindrome (1670558550761).

The spelling of 1240224330340 in words is "one trillion, two hundred forty billion, two hundred twenty-four million, three hundred thirty thousand, three hundred forty".