826831626460 has 48 divisors (see below), whose sum is σ = 1984769793216. Its totient is φ = 283431716352.

The previous prime is 826831626451. The next prime is 826831626463. The reversal of 826831626460 is 64626138628.

It is a junction number, because it is equal to n+sod(n) for n = 826831626398 and 826831626407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (826831626463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 192904 + ... + 1300336.

It is an arithmetic number, because the mean of its divisors is an integer number (41349370692).

Almost surely, 2^826831626460 is an apocalyptic number.

It is an amenable number.

826831626460 is an abundant number, since it is smaller than the sum of its proper divisors (1157938166756).

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

826831626460 is a wasteful number, since it uses less digits than its factorization.

826831626460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1112782 (or 1112780 counting only the distinct ones).

The product of its (nonzero) digits is 3981312, while the sum is 52.

The spelling of 826831626460 in words is "eight hundred twenty-six billion, eight hundred thirty-one million, six hundred twenty-six thousand, four hundred sixty".