42424826 has 16 divisors (see below), whose sum is σ = 68307624. Its totient is φ = 19689984.

The previous prime is 42424819. The next prime is 42424841. The reversal of 42424826 is 62842424.

It can be written as a sum of positive squares in 4 ways, for example, as 40972801 + 1452025 = 6401^2 + 1205^2 .

It is a super-2 number, since 2×42424826² = 3599731722260552, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42424792 and 42424801.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6065 + ... + 11028.

Almost surely, 2^42424826 is an apocalyptic number.

42424826 is a deficient number, since it is larger than the sum of its proper divisors (25882798).

42424826 is a wasteful number, since it uses less digits than its factorization.

42424826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17185.

The product of its digits is 24576, while the sum is 32.

The square root of 42424826 is about 6513.4342707975. The cubic root of 42424826 is about 348.7707243073.

The spelling of 42424826 in words is "forty-two million, four hundred twenty-four thousand, eight hundred twenty-six".