42263658 has 12 divisors (see below), whose sum is σ = 91571298. Its totient is φ = 14087880.

The previous prime is 42263653. The next prime is 42263677. The reversal of 42263658 is 85636224.

It can be written as a sum of positive squares in only one way, i.e., 37051569 + 5212089 = 6087^2 + 2283^2 .

It is not an unprimeable number, because it can be changed into a prime (42263653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1173973 + ... + 1174008.

Almost surely, 2^42263658 is an apocalyptic number.

42263658 is an abundant number, since it is smaller than the sum of its proper divisors (49307640).

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

42263658 is a wasteful number, since it uses less digits than its factorization.

42263658 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2347989 (or 2347986 counting only the distinct ones).

The product of its digits is 69120, while the sum is 36.

The square root of 42263658 is about 6501.0505304912. The cubic root of 42263658 is about 348.3285145939.

The spelling of 42263658 in words is "forty-two million, two hundred sixty-three thousand, six hundred fifty-eight".