42946442 has 24 divisors (see below), whose sum is σ = 81751680. Its totient is φ = 16731960.

The previous prime is 42946433. The next prime is 42946457. The reversal of 42946442 is 24464924.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18842 + ... + 20997.

It is an arithmetic number, because the mean of its divisors is an integer number (3406320).

Almost surely, 2^42946442 is an apocalyptic number.

42946442 is a deficient number, since it is larger than the sum of its proper divisors (38805238).

42946442 is a wasteful number, since it uses less digits than its factorization.

42946442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39866 (or 39859 counting only the distinct ones).

The product of its digits is 55296, while the sum is 35.

The square root of 42946442 is about 6553.3534926784. The cubic root of 42946442 is about 350.1942921245.

The spelling of 42946442 in words is "forty-two million, nine hundred forty-six thousand, four hundred forty-two".