42441646 has 20 divisors (see below), whose sum is σ = 69060312. Its totient is φ = 19562088.

The previous prime is 42441643. The next prime is 42441677. The reversal of 42441646 is 64614424.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42441643) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 56751 + ... + 57493.

Almost surely, 2^42441646 is an apocalyptic number.

42441646 is a deficient number, since it is larger than the sum of its proper divisors (26618666).

42441646 is an frugal number, since it uses more digits than its factorization.

42441646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 797 (or 758 counting only the distinct ones).

The product of its digits is 18432, while the sum is 31.

The square root of 42441646 is about 6514.7253203800. The cubic root of 42441646 is about 348.8168101257.

The spelling of 42441646 in words is "forty-two million, four hundred forty-one thousand, six hundred forty-six".