826260138 has 24 divisors (see below), whose sum is σ = 1952978976. Its totient is φ = 250381800.

The previous prime is 826260133. The next prime is 826260161. The reversal of 826260138 is 831062628.

It is not an unprimeable number, because it can be changed into a prime (826260133) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2086318 + ... + 2086713.

It is an arithmetic number, because the mean of its divisors is an integer number (81374124).

Almost surely, 2^826260138 is an apocalyptic number.

826260138 is an abundant number, since it is smaller than the sum of its proper divisors (1126718838).

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

826260138 is a wasteful number, since it uses less digits than its factorization.

826260138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4173050 (or 4173047 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 826260138 is about 28744.7410494511. The cubic root of 826260138 is about 938.3660076798.

The spelling of 826260138 in words is "eight hundred twenty-six million, two hundred sixty thousand, one hundred thirty-eight".