804132227380 has 12 divisors (see below), whose sum is σ = 1688677677540. Its totient is φ = 321652890944.

The previous prime is 804132227377. The next prime is 804132227389. The reversal of 804132227380 is 83722231408.

It can be written as a sum of positive squares in 2 ways, for example, as 474594232464 + 329537994916 = 688908^2 + 574054^2 .

It is a super-2 number, since 2×804132227380² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (804132227389) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20103305665 + ... + 20103305704.

It is an arithmetic number, because the mean of its divisors is an integer number (140723139795).

Almost surely, 2^804132227380 is an apocalyptic number.

It is an amenable number.

804132227380 is an abundant number, since it is smaller than the sum of its proper divisors (884545450160).

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

804132227380 is a wasteful number, since it uses less digits than its factorization.

804132227380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40206611378 (or 40206611376 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 40.

Adding to 804132227380 its reverse (83722231408), we get a palindrome (887854458788).

The spelling of 804132227380 in words is "eight hundred four billion, one hundred thirty-two million, two hundred twenty-seven thousand, three hundred eighty".