826040806842 has 32 divisors (see below), whose sum is σ = 1654446460032. Its totient is φ = 274953034944.

The previous prime is 826040806777. The next prime is 826040806897. The reversal of 826040806842 is 248608040628.

It is a junction number, because it is equal to n+sod(n) for n = 826040806791 and 826040806800.

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, 14549803 + ... + 14606465.

It is an arithmetic number, because the mean of its divisors is an integer number (51701451876).

Almost surely, 2^826040806842 is an apocalyptic number.

826040806842 is an abundant number, since it is smaller than the sum of its proper divisors (828405653190).

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

826040806842 is a wasteful number, since it uses less digits than its factorization.

826040806842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60102.

The product of its (nonzero) digits is 1179648, while the sum is 48.

The spelling of 826040806842 in words is "eight hundred twenty-six billion, forty million, eight hundred six thousand, eight hundred forty-two".