42011834 has 8 divisors (see below), whose sum is σ = 63058548. Its totient is φ = 20992320.

The previous prime is 42011821. The next prime is 42011857. The reversal of 42011834 is 43811024.

It can be written as a sum of positive squares in 2 ways, for example, as 40360609 + 1651225 = 6353^2 + 1285^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2357 + ... + 9464.

Almost surely, 2^42011834 is an apocalyptic number.

42011834 is a deficient number, since it is larger than the sum of its proper divisors (21046714).

42011834 is a wasteful number, since it uses less digits than its factorization.

42011834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13600.

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 42011834 is about 6481.6536470256. The cubic root of 42011834 is about 347.6353084858.

Adding to 42011834 its reverse (43811024), we get a palindrome (85822858).

The spelling of 42011834 in words is "forty-two million, eleven thousand, eight hundred thirty-four".