1839093911920 has 20 divisors (see below), whose sum is σ = 4275893345400. Its totient is φ = 735637564736.

The previous prime is 1839093911917. The next prime is 1839093911929. The reversal of 1839093911920 is 291193909381.

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×1839093911920² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1839093911929) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11494336870 + ... + 11494337029.

It is an arithmetic number, because the mean of its divisors is an integer number (213794667270).

Almost surely, 2^{1839093911920} is an apocalyptic number.

1839093911920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1839093911920 is an abundant number, since it is smaller than the sum of its proper divisors (2436799433480).

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

1839093911920 is a wasteful number, since it uses less digits than its factorization.

1839093911920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22988673912 (or 22988673906 counting only the distinct ones).

The product of its (nonzero) digits is 944784, while the sum is 55.

The spelling of 1839093911920 in words is "one trillion, eight hundred thirty-nine billion, ninety-three million, nine hundred eleven thousand, nine hundred twenty".