1244353454420 has 12 divisors (see below), whose sum is σ = 2613142254324. Its totient is φ = 497741381760.

The previous prime is 1244353454419. The next prime is 1244353454431. The reversal of 1244353454420 is 244543534421.

It can be written as a sum of positive squares in 2 ways, for example, as 559904999824 + 684448454596 = 748268^2 + 827314^2 .

It is a congruent number.

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, 31108836341 + ... + 31108836380.

It is an arithmetic number, because the mean of its divisors is an integer number (217761854527).

Almost surely, 2^{1244353454420} is an apocalyptic number.

1244353454420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1244353454420 is an abundant number, since it is smaller than the sum of its proper divisors (1368788799904).

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

1244353454420 is a wasteful number, since it uses less digits than its factorization.

1244353454420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62217672730 (or 62217672728 counting only the distinct ones).

The product of its (nonzero) digits is 921600, while the sum is 41.

Adding to 1244353454420 its reverse (244543534421), we get a palindrome (1488896988841).

The spelling of 1244353454420 in words is "one trillion, two hundred forty-four billion, three hundred fifty-three million, four hundred fifty-four thousand, four hundred twenty".