42251716 has 24 divisors (see below), whose sum is σ = 79823744. Its totient is φ = 19452960.

The previous prime is 42251701. The next prime is 42251767. The reversal of 42251716 is 61715224.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28981 + ... + 30403.

Almost surely, 2^42251716 is an apocalyptic number.

It is an amenable number.

42251716 is a deficient number, since it is larger than the sum of its proper divisors (37572028).

42251716 is a wasteful number, since it uses less digits than its factorization.

42251716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2011 (or 2009 counting only the distinct ones).

The product of its digits is 3360, while the sum is 28.

The square root of 42251716 is about 6500.1319986597. The cubic root of 42251716 is about 348.2957036544.

The spelling of 42251716 in words is "forty-two million, two hundred fifty-one thousand, seven hundred sixteen".