42263841 has 4 divisors (see below), whose sum is σ = 56351792. Its totient is φ = 28175892.

The previous prime is 42263839. The next prime is 42263867. The reversal of 42263841 is 14836224.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 42263841 - 2¹ = 42263839 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 42263799 and 42263808.

It is not an unprimeable number, because it can be changed into a prime (42263821) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7043971 + ... + 7043976.

It is an arithmetic number, because the mean of its divisors is an integer number (14087948).

Almost surely, 2^42263841 is an apocalyptic number.

It is an amenable number.

42263841 is a deficient number, since it is larger than the sum of its proper divisors (14087951).

42263841 is a wasteful number, since it uses less digits than its factorization.

42263841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14087950.

The product of its digits is 9216, while the sum is 30.

The square root of 42263841 is about 6501.0646051243. The cubic root of 42263841 is about 348.3290173428.

The spelling of 42263841 in words is "forty-two million, two hundred sixty-three thousand, eight hundred forty-one".