1812736430336 has 72 divisors (see below), whose sum is σ = 4101820873920. Its totient is φ = 792613472256.

The previous prime is 1812736430333. The next prime is 1812736430371. The reversal of 1812736430336 is 6330346372181.

It is not an unprimeable number, because it can be changed into a prime (1812736430333) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14270780 + ... + 14397243.

It is an arithmetic number, because the mean of its divisors is an integer number (56969734360).

Almost surely, 2^{1812736430336} is an apocalyptic number.

1812736430336 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1812736430336 is an abundant number, since it is smaller than the sum of its proper divisors (2289084443584).

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

1812736430336 is a wasteful number, since it uses less digits than its factorization.

1812736430336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28668071 (or 28668057 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 47.

The spelling of 1812736430336 in words is "one trillion, eight hundred twelve billion, seven hundred thirty-six million, four hundred thirty thousand, three hundred thirty-six".