42277338 has 12 divisors (see below), whose sum is σ = 91600938. Its totient is φ = 14092440.

The previous prime is 42277327. The next prime is 42277343. The reversal of 42277338 is 83377224.

It can be written as a sum of positive squares in only one way, i.e., 32524209 + 9753129 = 5703^2 + 3123^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1174353 + ... + 1174388.

Almost surely, 2^42277338 is an apocalyptic number.

42277338 is an abundant number, since it is smaller than the sum of its proper divisors (49323600).

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

42277338 is a wasteful number, since it uses less digits than its factorization.

42277338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2348749 (or 2348746 counting only the distinct ones).

The product of its digits is 56448, while the sum is 36.

The square root of 42277338 is about 6502.1025830111. The cubic root of 42277338 is about 348.3660931367.

The spelling of 42277338 in words is "forty-two million, two hundred seventy-seven thousand, three hundred thirty-eight".