1839781344056 has 16 divisors (see below), whose sum is σ = 3449605111440. Its totient is φ = 919886647680.

The previous prime is 1839781344019. The next prime is 1839781344073. The reversal of 1839781344056 is 6504431879381.

It is a super-2 number, since 2×1839781344056² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1839781343986 and 1839781344004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2481485 + ... + 3136451.

It is an arithmetic number, because the mean of its divisors is an integer number (215600319465).

Almost surely, 2^{1839781344056} is an apocalyptic number.

It is an amenable number.

1839781344056 is a deficient number, since it is larger than the sum of its proper divisors (1609823767384).

1839781344056 is a wasteful number, since it uses less digits than its factorization.

1839781344056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1006094 (or 1006090 counting only the distinct ones).

The product of its (nonzero) digits is 17418240, while the sum is 59.

The spelling of 1839781344056 in words is "one trillion, eight hundred thirty-nine billion, seven hundred eighty-one million, three hundred forty-four thousand, fifty-six".