826290080520 has 64 divisors (see below), whose sum is σ = 2493199033920. Its totient is φ = 219070351104.

The previous prime is 826290080519. The next prime is 826290080549. The reversal of 826290080520 is 25080092628.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19880254 + ... + 19921773.

It is an arithmetic number, because the mean of its divisors is an integer number (38956234905).

Almost surely, 2^826290080520 is an apocalyptic number.

It is an amenable number.

826290080520 is an abundant number, since it is smaller than the sum of its proper divisors (1666908953400).

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

826290080520 is a wasteful number, since it uses less digits than its factorization.

826290080520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39802214 (or 39802210 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 42.

The spelling of 826290080520 in words is "eight hundred twenty-six billion, two hundred ninety million, eighty thousand, five hundred twenty".