42504628 has 12 divisors (see below), whose sum is σ = 74619972. Its totient is φ = 21184640.

The previous prime is 42504593. The next prime is 42504677. The reversal of 42504628 is 82640524.

It can be written as a sum of positive squares in 2 ways, for example, as 6360484 + 36144144 = 2522^2 + 6012^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 42504628.

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, 15493 + ... + 18028.

It is an arithmetic number, because the mean of its divisors is an integer number (6218331).

Almost surely, 2^42504628 is an apocalyptic number.

It is an amenable number.

42504628 is a deficient number, since it is larger than the sum of its proper divisors (32115344).

42504628 is a wasteful number, since it uses less digits than its factorization.

42504628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33842 (or 33840 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 31.

The square root of 42504628 is about 6519.5573469370. The cubic root of 42504628 is about 348.9892690521.

The spelling of 42504628 in words is "forty-two million, five hundred four thousand, six hundred twenty-eight".