42133544 has 32 divisors (see below), whose sum is σ = 80688000. Its totient is φ = 20621952.

The previous prime is 42133537. The next prime is 42133561. The reversal of 42133544 is 44533124.

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, 102812 + ... + 103220.

It is an arithmetic number, because the mean of its divisors is an integer number (2521500).

Almost surely, 2^42133544 is an apocalyptic number.

It is an amenable number.

42133544 is a deficient number, since it is larger than the sum of its proper divisors (38554456).

42133544 is a wasteful number, since it uses less digits than its factorization.

42133544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 657 (or 653 counting only the distinct ones).

The product of its digits is 5760, while the sum is 26.

The square root of 42133544 is about 6491.0356646686. The cubic root of 42133544 is about 347.9706893885.

Adding to 42133544 its reverse (44533124), we get a palindrome (86666668).

The spelling of 42133544 in words is "forty-two million, one hundred thirty-three thousand, five hundred forty-four".