1804996683456 has 112 divisors (see below), whose sum is σ = 5009453641728. Its totient is φ = 572492800000.

The previous prime is 1804996683443. The next prime is 1804996683541. The reversal of 1804996683456 is 6543866994081.

It is a Harshad number since it is a multiple of its sum of digits (69).

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 226545 + ... + 1913456.

Almost surely, 2^{1804996683456} is an apocalyptic number.

1804996683456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1804996683456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2504726820864).

1804996683456 is an abundant number, since it is smaller than the sum of its proper divisors (3204456958272).

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

1804996683456 is a wasteful number, since it uses less digits than its factorization.

1804996683456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2140230 (or 2140220 counting only the distinct ones).

The product of its (nonzero) digits is 268738560, while the sum is 69.

The spelling of 1804996683456 in words is "one trillion, eight hundred four billion, nine hundred ninety-six million, six hundred eighty-three thousand, four hundred fifty-six".