1804680571456 has 315 divisors, whose sum is σ = 4396822359881. Its totient is φ = 734841795072.

The previous prime is 1804680571453. The next prime is 1804680571471. The reversal of 1804680571456 is 6541750864081.

The square root of 1804680571456 is 1343384.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 211430753856 + 1593249817600 = 459816^2 + 1262240^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1804680571397 and 1804680571406.

It is not an unprimeable number, because it can be changed into a prime (1804680571451) by changing a digit.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 12111950070 + ... + 12111950218.

Almost surely, 2^{1804680571456} is an apocalyptic number.

1804680571456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

1804680571456 is the 1343384-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1804680571456

1804680571456 is an abundant number, since it is smaller than the sum of its proper divisors (2592141788425).

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

1804680571456 is an frugal number, since it uses more digits than its factorization.

1804680571456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384 (or 181 counting only the distinct ones).

The product of its (nonzero) digits is 6451200, while the sum is 55.

The spelling of 1804680571456 in words is "one trillion, eight hundred four billion, six hundred eighty million, five hundred seventy-one thousand, four hundred fifty-six".