42431841 has 24 divisors (see below), whose sum is σ = 63519456. Its totient is φ = 27276480.

The previous prime is 42431833. The next prime is 42431867. The reversal of 42431841 is 14813424.

42431841 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 42431841 - 2³ = 42431833 is a prime.

It is a super-2 number, since 2×42431841² = 3600922261298562, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (42431041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31461 + ... + 32781.

It is an arithmetic number, because the mean of its divisors is an integer number (2646644).

Almost surely, 2^42431841 is an apocalyptic number.

It is an amenable number.

42431841 is a deficient number, since it is larger than the sum of its proper divisors (21087615).

42431841 is a wasteful number, since it uses less digits than its factorization.

42431841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1453 (or 1450 counting only the distinct ones).

The product of its digits is 3072, while the sum is 27.

The square root of 42431841 is about 6513.9727509409. The cubic root of 42431841 is about 348.7899464784.

It can be divided in two parts, 4243 and 1841, that added together give a square (6084 = 78²).

The spelling of 42431841 in words is "forty-two million, four hundred thirty-one thousand, eight hundred forty-one".