1801366444752 has 80 divisors (see below), whose sum is σ = 5489878720512. Its totient is φ = 498073668480.

The previous prime is 1801366444741. The next prime is 1801366444771. The reversal of 1801366444752 is 2574446631081.

It is a junction number, because it is equal to n+sod(n) for n = 1801366444695 and 1801366444704.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86460708 + ... + 86481539.

Almost surely, 2^{1801366444752} is an apocalyptic number.

1801366444752 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1801366444752 is an abundant number, since it is smaller than the sum of its proper divisors (3688512275760).

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

1801366444752 is a wasteful number, since it uses less digits than its factorization.

1801366444752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172942296 (or 172942290 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 51.

The spelling of 1801366444752 in words is "one trillion, eight hundred one billion, three hundred sixty-six million, four hundred forty-four thousand, seven hundred fifty-two".