42626828 has 12 divisors (see below), whose sum is σ = 74895912. Its totient is φ = 21228000.

The previous prime is 42626827. The next prime is 42626833. The reversal of 42626828 is 82862624.

It is a junction number, because it is equal to n+sod(n) for n = 42626791 and 42626800.

It is not an unprimeable number, because it can be changed into a prime (42626827) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20225 + ... + 22232.

It is an arithmetic number, because the mean of its divisors is an integer number (6241326).

Almost surely, 2^42626828 is an apocalyptic number.

It is an amenable number.

42626828 is a deficient number, since it is larger than the sum of its proper divisors (32269084).

42626828 is a wasteful number, since it uses less digits than its factorization.

42626828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42712 (or 42710 counting only the distinct ones).

The product of its digits is 73728, while the sum is 38.

The square root of 42626828 is about 6528.9224225748. The cubic root of 42626828 is about 349.3233948995.

The spelling of 42626828 in words is "forty-two million, six hundred twenty-six thousand, eight hundred twenty-eight".