42263881 has 8 divisors (see below), whose sum is σ = 47593728. Its totient is φ = 37182000.

The previous prime is 42263873. The next prime is 42263899. The reversal of 42263881 is 18836224.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42263881 - 2³ = 42263873 is a prime.

It is a super-2 number, since 2×42263881² = 3572471274364322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42263821) 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 7 ways as a sum of consecutive naturals, for example, 61630 + ... + 62311.

It is an arithmetic number, because the mean of its divisors is an integer number (5949216).

Almost surely, 2^42263881 is an apocalyptic number.

It is an amenable number.

42263881 is a deficient number, since it is larger than the sum of its proper divisors (5329847).

42263881 is a wasteful number, since it uses less digits than its factorization.

42263881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123983.

The product of its digits is 18432, while the sum is 34.

The square root of 42263881 is about 6501.0676815428. The cubic root of 42263881 is about 348.3291272331.

The spelling of 42263881 in words is "forty-two million, two hundred sixty-three thousand, eight hundred eighty-one".