1806403370472 has 64 divisors (see below), whose sum is σ = 5140172217600. Its totient is φ = 587448247680.

The previous prime is 1806403370467. The next prime is 1806403370491. The reversal of 1806403370472 is 2740733046081.

1806403370472 is a `hidden beast` number, since 1 + 80 + 6 + 4 + 0 + 33 + 70 + 472 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 101978688 + ... + 101996399.

It is an arithmetic number, because the mean of its divisors is an integer number (80315190900).

Almost surely, 2^{1806403370472} is an apocalyptic number.

1806403370472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1806403370472 is an abundant number, since it is smaller than the sum of its proper divisors (3333768847128).

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

1806403370472 is a wasteful number, since it uses less digits than its factorization.

1806403370472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203975143 (or 203975133 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 45.

The spelling of 1806403370472 in words is "one trillion, eight hundred six billion, four hundred three million, three hundred seventy thousand, four hundred seventy-two".