826042466 has 4 divisors (see below), whose sum is σ = 1239063702. Its totient is φ = 413021232.

The previous prime is 826042463. The next prime is 826042489. The reversal of 826042466 is 664240628.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 732514225 + 93528241 = 27065^2 + 9671^2 .

It is a super-2 number, since 2×826042466² = 1364692311270722312, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (826042463) 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 as a sum of consecutive naturals, namely, 206510615 + ... + 206510618.

Almost surely, 2^826042466 is an apocalyptic number.

826042466 is a deficient number, since it is larger than the sum of its proper divisors (413021236).

826042466 is a wasteful number, since it uses less digits than its factorization.

826042466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 413021235.

The product of its (nonzero) digits is 110592, while the sum is 38.

The square root of 826042466 is about 28740.9545074620. The cubic root of 826042466 is about 938.2835986274.

The spelling of 826042466 in words is "eight hundred twenty-six million, forty-two thousand, four hundred sixty-six".