42104406 has 32 divisors (see below), whose sum is σ = 86728320. Its totient is φ = 13621184.

The previous prime is 42104389. The next prime is 42104431. The reversal of 42104406 is 60440124.

It is a super-2 number, since 2×42104406² = 3545562009225672, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28666 + ... + 30098.

It is an arithmetic number, because the mean of its divisors is an integer number (2710260).

Almost surely, 2^42104406 is an apocalyptic number.

42104406 is an abundant number, since it is smaller than the sum of its proper divisors (44623914).

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

42104406 is a wasteful number, since it uses less digits than its factorization.

42104406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1580.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 42104406 is about 6488.7907964427. The cubic root of 42104406 is about 347.8904563392.

The spelling of 42104406 in words is "forty-two million, one hundred four thousand, four hundred six".