1804485373680 has 80 divisors (see below), whose sum is σ = 6102441454464. Its totient is φ = 437450999040.

The previous prime is 1804485373651. The next prime is 1804485373687. The reversal of 1804485373680 is 863735844081.

It is a tau number, because it is divible by the number of its divisors (80).

It is a self number, because there is not a number n which added to its sum of digits gives 1804485373680.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1804485373687) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 341755954 + ... + 341761233.

Almost surely, 2^{1804485373680} is an apocalyptic number.

1804485373680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1804485373680 is an abundant number, since it is smaller than the sum of its proper divisors (4297956080784).

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

1804485373680 is a wasteful number, since it uses less digits than its factorization.

1804485373680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 683517214 (or 683517208 counting only the distinct ones).

The product of its (nonzero) digits is 15482880, while the sum is 57.

The spelling of 1804485373680 in words is "one trillion, eight hundred four billion, four hundred eighty-five million, three hundred seventy-three thousand, six hundred eighty".