42277426 has 4 divisors (see below), whose sum is σ = 63416142. Its totient is φ = 21138712.

The previous prime is 42277423. The next prime is 42277441. The reversal of 42277426 is 62477224.

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., 32661225 + 9616201 = 5715^2 + 3101^2 .

It is a junction number, because it is equal to n+sod(n) for n = 42277391 and 42277400.

It is not an unprimeable number, because it can be changed into a prime (42277423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10569355 + ... + 10569358.

Almost surely, 2^42277426 is an apocalyptic number.

42277426 is a deficient number, since it is larger than the sum of its proper divisors (21138716).

42277426 is a wasteful number, since it uses less digits than its factorization.

42277426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21138715.

The product of its digits is 37632, while the sum is 34.

The square root of 42277426 is about 6502.1093500494. The cubic root of 42277426 is about 348.3663348438.

The spelling of 42277426 in words is "forty-two million, two hundred seventy-seven thousand, four hundred twenty-six".