42800132 has 6 divisors (see below), whose sum is σ = 74900238. Its totient is φ = 21400064.

The previous prime is 42800111. The next prime is 42800137. The reversal of 42800132 is 23100824.

It can be written as a sum of positive squares in only one way, i.e., 37258816 + 5541316 = 6104^2 + 2354^2 .

It is not an unprimeable number, because it can be changed into a prime (42800137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5350013 + ... + 5350020.

It is an arithmetic number, because the mean of its divisors is an integer number (12483373).

Almost surely, 2^42800132 is an apocalyptic number.

It is an amenable number.

42800132 is a deficient number, since it is larger than the sum of its proper divisors (32100106).

42800132 is a wasteful number, since it uses less digits than its factorization.

42800132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10700037 (or 10700035 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 42800132 is about 6542.1809819050. The cubic root of 42800132 is about 349.7961588563.

Adding to 42800132 its reverse (23100824), we get a palindrome (65900956).

The spelling of 42800132 in words is "forty-two million, eight hundred thousand, one hundred thirty-two".