42450628 has 12 divisors (see below), whose sum is σ = 81042192. Its totient is φ = 19295720.

The previous prime is 42450619. The next prime is 42450631. The reversal of 42450628 is 82605424.

It is a self number, because there is not a number n which added to its sum of digits gives 42450628.

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, 482350 + ... + 482437.

It is an arithmetic number, because the mean of its divisors is an integer number (6753516).

Almost surely, 2^42450628 is an apocalyptic number.

It is an amenable number.

42450628 is a deficient number, since it is larger than the sum of its proper divisors (38591564).

42450628 is a wasteful number, since it uses less digits than its factorization.

42450628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 964802 (or 964800 counting only the distinct ones).

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

The square root of 42450628 is about 6515.4146452854. The cubic root of 42450628 is about 348.8414152945.

The spelling of 42450628 in words is "forty-two million, four hundred fifty thousand, six hundred twenty-eight".