42011934 has 16 divisors (see below), whose sum is σ = 85609872. Its totient is φ = 13739648.

The previous prime is 42011933. The next prime is 42011939. The reversal of 42011934 is 43911024.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42011933) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65739 + ... + 66374.

It is an arithmetic number, because the mean of its divisors is an integer number (5350617).

Almost surely, 2^42011934 is an apocalyptic number.

42011934 is an abundant number, since it is smaller than the sum of its proper divisors (43597938).

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

42011934 is a wasteful number, since it uses less digits than its factorization.

42011934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132171.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 42011934 is about 6481.6613611018. The cubic root of 42011934 is about 347.6355843089.

Adding to 42011934 its reverse (43911024), we get a palindrome (85922958).

The spelling of 42011934 in words is "forty-two million, eleven thousand, nine hundred thirty-four".