4242257740 has 24 divisors (see below), whose sum is σ = 10181418912. Its totient is φ = 1454488320.

The previous prime is 4242257731. The next prime is 4242257777. The reversal of 4242257740 is 477522424.

It is a self number, because there is not a number n which added to its sum of digits gives 4242257740.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15150781 + ... + 15151060.

It is an arithmetic number, because the mean of its divisors is an integer number (424225788).

Almost surely, 2^4242257740 is an apocalyptic number.

It is an amenable number.

4242257740 is an abundant number, since it is smaller than the sum of its proper divisors (5939161172).

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

4242257740 is a wasteful number, since it uses less digits than its factorization.

4242257740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30301857 (or 30301855 counting only the distinct ones).

The product of its (nonzero) digits is 125440, while the sum is 37.

The square root of 4242257740 is about 65132.6165603686. The cubic root of 4242257740 is about 1618.8216981704.

The spelling of 4242257740 in words is "four billion, two hundred forty-two million, two hundred fifty-seven thousand, seven hundred forty".