42066244 has 12 divisors (see below), whose sum is σ = 80308368. Its totient is φ = 19121000.

The previous prime is 42066223. The next prime is 42066257. The reversal of 42066244 is 44266024.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 477982 + ... + 478069.

It is an arithmetic number, because the mean of its divisors is an integer number (6692364).

Almost surely, 2^42066244 is an apocalyptic number.

42066244 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

42066244 is a deficient number, since it is larger than the sum of its proper divisors (38242124).

42066244 is a wasteful number, since it uses less digits than its factorization.

42066244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 956066 (or 956064 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

The square root of 42066244 is about 6485.8495203019. The cubic root of 42066244 is about 347.7853192138.

The spelling of 42066244 in words is "forty-two million, sixty-six thousand, two hundred forty-four".