42663244 has 24 divisors (see below), whose sum is σ = 81512480. Its totient is φ = 19419264.

The previous prime is 42663221. The next prime is 42663253. The reversal of 42663244 is 44236624.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1824 + ... + 9415.

Almost surely, 2^42663244 is an apocalyptic number.

It is an amenable number.

42663244 is a deficient number, since it is larger than the sum of its proper divisors (38849236).

42663244 is a wasteful number, since it uses less digits than its factorization.

42663244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11329 (or 11327 counting only the distinct ones).

The product of its digits is 27648, while the sum is 31.

The square root of 42663244 is about 6531.7106488270. The cubic root of 42663244 is about 349.4228419736.

Adding to 42663244 its reverse (44236624), we get a palindrome (86899868).

The spelling of 42663244 in words is "forty-two million, six hundred sixty-three thousand, two hundred forty-four".