42267828 has 12 divisors (see below), whose sum is σ = 98624960. Its totient is φ = 14089272.

The previous prime is 42267811. The next prime is 42267857. The reversal of 42267828 is 82876224.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1761148 + ... + 1761171.

Almost surely, 2^42267828 is an apocalyptic number.

It is an amenable number.

42267828 is an abundant number, since it is smaller than the sum of its proper divisors (56357132).

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

42267828 is a wasteful number, since it uses less digits than its factorization.

42267828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3522326 (or 3522324 counting only the distinct ones).

The product of its digits is 86016, while the sum is 39.

The square root of 42267828 is about 6501.3712399770. The cubic root of 42267828 is about 348.3399703158.

The spelling of 42267828 in words is "forty-two million, two hundred sixty-seven thousand, eight hundred twenty-eight".