42104532 has 24 divisors (see below), whose sum is σ = 103415200. Its totient is φ = 13296096.

The previous prime is 42104521. The next prime is 42104533. The reversal of 42104532 is 23540124.

It is a super-2 number, since 2×42104532² = 3545583229878048, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42104499 and 42104508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42104533) 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, 92107 + ... + 92562.

Almost surely, 2^42104532 is an apocalyptic number.

It is an amenable number.

42104532 is an abundant number, since it is smaller than the sum of its proper divisors (61310668).

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

42104532 is a wasteful number, since it uses less digits than its factorization.

42104532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184695 (or 184693 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 42104532 is about 6488.8005054864. The cubic root of 42104532 is about 347.8908033667.

Adding to 42104532 its reverse (23540124), we get a palindrome (65644656).

The spelling of 42104532 in words is "forty-two million, one hundred four thousand, five hundred thirty-two".