1836142437944 has 96 divisors (see below), whose sum is σ = 3644313177600. Its totient is φ = 866982009600.

The previous prime is 1836142437937. The next prime is 1836142437973. The reversal of 1836142437944 is 4497342416381.

It is a self number, because there is not a number n which added to its sum of digits gives 1836142437944.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 59543522 + ... + 59574350.

It is an arithmetic number, because the mean of its divisors is an integer number (37961595600).

Almost surely, 2^{1836142437944} is an apocalyptic number.

It is an amenable number.

1836142437944 is a deficient number, since it is larger than the sum of its proper divisors (1808170739656).

1836142437944 is a wasteful number, since it uses less digits than its factorization.

1836142437944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31085 (or 31050 counting only the distinct ones).

The product of its digits is 13934592, while the sum is 56.

The spelling of 1836142437944 in words is "one trillion, eight hundred thirty-six billion, one hundred forty-two million, four hundred thirty-seven thousand, nine hundred forty-four".