42104472 has 64 divisors (see below), whose sum is σ = 108864000. Its totient is φ = 13563264.

The previous prime is 42104449. The next prime is 42104473. The reversal of 42104472 is 27440124.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42104473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 100279 + ... + 100697.

It is an arithmetic number, because the mean of its divisors is an integer number (1701000).

Almost surely, 2^42104472 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42104472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54432000).

42104472 is an abundant number, since it is smaller than the sum of its proper divisors (66759528).

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

42104472 is a wasteful number, since it uses less digits than its factorization.

42104472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 560 (or 556 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 24.

The square root of 42104472 is about 6488.7958821341. The cubic root of 42104472 is about 347.8906381156.

Adding to 42104472 its reverse (27440124), we get a palindrome (69544596).

The spelling of 42104472 in words is "forty-two million, one hundred four thousand, four hundred seventy-two".