1244204030240 has 48 divisors (see below), whose sum is σ = 2939649625080. Its totient is φ = 497644769280.

The previous prime is 1244204030227. The next prime is 1244204030257. The reversal of 1244204030240 is 420304024421.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 823454613136 + 420749417104 = 907444^2 + 648652^2 .

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, 1933646 + ... + 2495474.

Almost surely, 2^{1244204030240} is an apocalyptic number.

1244204030240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1244204030240 is an abundant number, since it is smaller than the sum of its proper divisors (1695445594840).

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

1244204030240 is a wasteful number, since it uses less digits than its factorization.

1244204030240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 575685 (or 575677 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 1244204030240 its reverse (420304024421), we get a palindrome (1664508054661).

The spelling of 1244204030240 in words is "one trillion, two hundred forty-four billion, two hundred four million, thirty thousand, two hundred forty".