442442012 has 6 divisors (see below), whose sum is σ = 774273528. Its totient is φ = 221221004.

The previous prime is 442441991. The next prime is 442442023. The reversal of 442442012 is 210244244.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55305248 + ... + 55305255.

It is an arithmetic number, because the mean of its divisors is an integer number (129045588).

Almost surely, 2^442442012 is an apocalyptic number.

It is an amenable number.

442442012 is a deficient number, since it is larger than the sum of its proper divisors (331831516).

442442012 is a wasteful number, since it uses less digits than its factorization.

442442012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110610507 (or 110610505 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 23.

The square root of 442442012 is about 21034.3055982364. The cubic root of 442442012 is about 761.9949963275.

Adding to 442442012 its reverse (210244244), we get a palindrome (652686256).

The spelling of 442442012 in words is "four hundred forty-two million, four hundred forty-two thousand, twelve".