1244433233420 has 24 divisors (see below), whose sum is σ = 2814333620784. Its totient is φ = 459483039936.

The previous prime is 1244433233389. The next prime is 1244433233431. The reversal of 1244433233420 is 243323344421.

It is a super-2 number, since 2×1244433233420² (a number of 25 digits) contains 22 as substring.

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, 2393140574 + ... + 2393141093.

It is an arithmetic number, because the mean of its divisors is an integer number (117263900866).

Almost surely, 2^{1244433233420} is an apocalyptic number.

1244433233420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1244433233420 is an abundant number, since it is smaller than the sum of its proper divisors (1569900387364).

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

1244433233420 is a wasteful number, since it uses less digits than its factorization.

1244433233420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4786281689 (or 4786281687 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 35.

Adding to 1244433233420 its reverse (243323344421), we get a palindrome (1487756577841).

The spelling of 1244433233420 in words is "one trillion, two hundred forty-four billion, four hundred thirty-three million, two hundred thirty-three thousand, four hundred twenty".