1812345460992 has 108 divisors (see below), whose sum is σ = 5700478724304. Its totient is φ = 549195586560.

The previous prime is 1812345460979. The next prime is 1812345460999. The reversal of 1812345460992 is 2990645432181.

It is a happy number.

1812345460992 is a `hidden beast` number, since 1 + 8 + 1 + 2 + 3 + 4 + 546 + 0 + 9 + 92 = 666.

It is not an unprimeable number, because it can be changed into a prime (1812345460999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35729578 + ... + 35780265.

Almost surely, 2^{1812345460992} is an apocalyptic number.

1812345460992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1812345460992 is an abundant number, since it is smaller than the sum of its proper divisors (3888133263312).

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

1812345460992 is a wasteful number, since it uses less digits than its factorization.

1812345460992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71509876 (or 71509859 counting only the distinct ones).

The product of its (nonzero) digits is 3732480, while the sum is 54.

The spelling of 1812345460992 in words is "one trillion, eight hundred twelve billion, three hundred forty-five million, four hundred sixty thousand, nine hundred ninety-two".