42065446 has 16 divisors (see below), whose sum is σ = 67659840. Its totient is φ = 19543680.

The previous prime is 42065437. The next prime is 42065453. The reversal of 42065446 is 64456024.

It is a congruent number.

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, 5145 + ... + 10516.

It is an arithmetic number, because the mean of its divisors is an integer number (4228740).

Almost surely, 2^42065446 is an apocalyptic number.

42065446 is a deficient number, since it is larger than the sum of its proper divisors (25594394).

42065446 is a wasteful number, since it uses less digits than its factorization.

42065446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15759.

The product of its (nonzero) digits is 23040, while the sum is 31.

The square root of 42065446 is about 6485.7880014691. The cubic root of 42065446 is about 347.7831200281.

The spelling of 42065446 in words is "forty-two million, sixty-five thousand, four hundred forty-six".