1244889108552 has 64 divisors (see below), whose sum is σ = 3161107051200. Its totient is φ = 408454675200.

The previous prime is 1244889108517. The next prime is 1244889108557. The reversal of 1244889108552 is 2558019884421.

It is a happy number.

It is a hoax number, since the sum of its digits (57) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 1244889108492 and 1244889108501.

It is not an unprimeable number, because it can be changed into a prime (1244889108557) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1794474 + ... + 2389542.

It is an arithmetic number, because the mean of its divisors is an integer number (49392297675).

Almost surely, 2^{1244889108552} is an apocalyptic number.

1244889108552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1244889108552 is an abundant number, since it is smaller than the sum of its proper divisors (1916217942648).

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

1244889108552 is a wasteful number, since it uses less digits than its factorization.

1244889108552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 596446 (or 596442 counting only the distinct ones).

The product of its (nonzero) digits is 7372800, while the sum is 57.

The spelling of 1244889108552 in words is "one trillion, two hundred forty-four billion, eight hundred eighty-nine million, one hundred eight thousand, five hundred fifty-two".