42104412 has 36 divisors (see below), whose sum is σ = 121635696. Its totient is φ = 12029760.

The previous prime is 42104389. The next prime is 42104431. The reversal of 42104412 is 21440124.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 83289 + ... + 83792.

Almost surely, 2^42104412 is an apocalyptic number.

42104412 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

42104412 is an abundant number, since it is smaller than the sum of its proper divisors (79531284).

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

42104412 is a wasteful number, since it uses less digits than its factorization.

42104412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167098 (or 167093 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 42104412 is about 6488.7912587785. The cubic root of 42104412 is about 347.8904728643.

Adding to 42104412 its reverse (21440124), we get a palindrome (63544536).

The spelling of 42104412 in words is "forty-two million, one hundred four thousand, four hundred twelve".