804400006288 has 10 divisors (see below), whose sum is σ = 1558525012214. Its totient is φ = 402200003136.

The previous prime is 804400006273. The next prime is 804400006321. The reversal of 804400006288 is 882600004408.

It can be written as a sum of positive squares in only one way, i.e., 789873007504 + 14526998784 = 888748^2 + 120528^2 .

It is a super-2 number, since 2×804400006288² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 804400006288.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25137500181 + ... + 25137500212.

Almost surely, 2^804400006288 is an apocalyptic number.

It is an amenable number.

804400006288 is a deficient number, since it is larger than the sum of its proper divisors (754125005926).

804400006288 is a wasteful number, since it uses less digits than its factorization.

804400006288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50275000401 (or 50275000395 counting only the distinct ones).

The product of its (nonzero) digits is 98304, while the sum is 40.

The spelling of 804400006288 in words is "eight hundred four billion, four hundred million, six thousand, two hundred eighty-eight".