42242104 has 8 divisors (see below), whose sum is σ = 79203960. Its totient is φ = 21121048.

The previous prime is 42242087. The next prime is 42242141. The reversal of 42242104 is 40124224.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2640124 + ... + 2640139.

It is an arithmetic number, because the mean of its divisors is an integer number (9900495).

Almost surely, 2^42242104 is an apocalyptic number.

It is an amenable number.

42242104 is a deficient number, since it is larger than the sum of its proper divisors (36961856).

42242104 is a wasteful number, since it uses less digits than its factorization.

42242104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5280269 (or 5280265 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 19.

The square root of 42242104 is about 6499.3925870038. The cubic root of 42242104 is about 348.2692899564.

Adding to 42242104 its reverse (40124224), we get a palindrome (82366328).

It can be divided in two parts, 4224 and 2104, that added together give a triangular number (6328 = T₁₁₂).

The spelling of 42242104 in words is "forty-two million, two hundred forty-two thousand, one hundred four".