826138026 has 24 divisors (see below), whose sum is σ = 2045675424. Its totient is φ = 236039400.

The previous prime is 826138013. The next prime is 826138043. The reversal of 826138026 is 620831628.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3278200 + ... + 3278451.

It is an arithmetic number, because the mean of its divisors is an integer number (85236476).

Almost surely, 2^826138026 is an apocalyptic number.

826138026 is an abundant number, since it is smaller than the sum of its proper divisors (1219537398).

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

826138026 is a wasteful number, since it uses less digits than its factorization.

826138026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6556666 (or 6556663 counting only the distinct ones).

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

The square root of 826138026 is about 28742.6168954742. The cubic root of 826138026 is about 938.3197787381.

The spelling of 826138026 in words is "eight hundred twenty-six million, one hundred thirty-eight thousand, twenty-six".