42619628 has 12 divisors (see below), whose sum is σ = 74861472. Its totient is φ = 21230640.

The previous prime is 42619609. The next prime is 42619639. The reversal of 42619628 is 82691624.

It is a junction number, because it is equal to n+sod(n) for n = 42619591 and 42619600.

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, 18575 + ... + 20742.

It is an arithmetic number, because the mean of its divisors is an integer number (6238456).

Almost surely, 2^42619628 is an apocalyptic number.

It is an amenable number.

42619628 is a deficient number, since it is larger than the sum of its proper divisors (32241844).

42619628 is a wasteful number, since it uses less digits than its factorization.

42619628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39592 (or 39590 counting only the distinct ones).

The product of its digits is 41472, while the sum is 38.

The square root of 42619628 is about 6528.3710066141. The cubic root of 42619628 is about 349.3037259869.

The spelling of 42619628 in words is "forty-two million, six hundred nineteen thousand, six hundred twenty-eight".