42466426 has 4 divisors (see below), whose sum is σ = 63699642. Its totient is φ = 21233212.

The previous prime is 42466421. The next prime is 42466429. The reversal of 42466426 is 62466424.

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., 41024025 + 1442401 = 6405^2 + 1201^2 .

It is a junction number, because it is equal to n+sod(n) for n = 42466391 and 42466400.

It is not an unprimeable number, because it can be changed into a prime (42466421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10616605 + ... + 10616608.

Almost surely, 2^42466426 is an apocalyptic number.

42466426 is a deficient number, since it is larger than the sum of its proper divisors (21233216).

42466426 is a wasteful number, since it uses less digits than its factorization.

42466426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21233215.

The product of its digits is 55296, while the sum is 34.

The square root of 42466426 is about 6516.6268881991. The cubic root of 42466426 is about 348.8846837018.

The spelling of 42466426 in words is "forty-two million, four hundred sixty-six thousand, four hundred twenty-six".