42444364 has 12 divisors (see below), whose sum is σ = 75537000. Its totient is φ = 20862368.

The previous prime is 42444331. The next prime is 42444377. The reversal of 42444364 is 46344424.

It is a happy number.

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, 89689 + ... + 90160.

It is an arithmetic number, because the mean of its divisors is an integer number (6294750).

Almost surely, 2^42444364 is an apocalyptic number.

It is an amenable number.

42444364 is a deficient number, since it is larger than the sum of its proper divisors (33092636).

42444364 is a wasteful number, since it uses less digits than its factorization.

42444364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179912 (or 179910 counting only the distinct ones).

The product of its digits is 36864, while the sum is 31.

The square root of 42444364 is about 6514.9339213840. The cubic root of 42444364 is about 348.8242561443.

Adding to 42444364 its reverse (46344424), we get a palindrome (88788788).

The spelling of 42444364 in words is "forty-two million, four hundred forty-four thousand, three hundred sixty-four".