42501120964 has 9 divisors (see below), whose sum is σ = 74377683247. Its totient is φ = 21250354324.

The previous prime is 42501120953. The next prime is 42501120973. The reversal of 42501120964 is 46902110524.

The square root of 42501120964 is 206158.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 360777 + ... + 463855.

Almost surely, 2^42501120964 is an apocalyptic number.

42501120964 is the 206158-th square number.

It is an amenable number.

42501120964 is a deficient number, since it is larger than the sum of its proper divisors (31876562283).

42501120964 is an frugal number, since it uses more digits than its factorization.

42501120964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206162 (or 103081 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 34.

The spelling of 42501120964 in words is "forty-two billion, five hundred one million, one hundred twenty thousand, nine hundred sixty-four".