42252416 has 16 divisors (see below), whose sum is σ = 84174990. Its totient is φ = 21126144.

The previous prime is 42252341. The next prime is 42252451. The reversal of 42252416 is 61425224.

It can be written as a sum of positive squares in only one way, i.e., 30030400 + 12222016 = 5480^2 + 3496^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 164921 + ... + 165176.

Almost surely, 2^42252416 is an apocalyptic number.

It is an amenable number.

42252416 is a deficient number, since it is larger than the sum of its proper divisors (41922574).

42252416 is an equidigital number, since it uses as much as digits as its factorization.

42252416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330111 (or 330099 counting only the distinct ones).

The product of its digits is 3840, while the sum is 26.

The square root of 42252416 is about 6500.1858434971. The cubic root of 42252416 is about 348.2976270923.

The spelling of 42252416 in words is "forty-two million, two hundred fifty-two thousand, four hundred sixteen".