42530888 has 16 divisors (see below), whose sum is σ = 80091180. Its totient is φ = 21173248.

The previous prime is 42530881. The next prime is 42530927. The reversal of 42530888 is 88803524.

It can be written as a sum of positive squares in 2 ways, for example, as 40729924 + 1800964 = 6382^2 + 1342^2 .

It is not an unprimeable number, because it can be changed into a prime (42530881) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9545 + ... + 13272.

Almost surely, 2^42530888 is an apocalyptic number.

It is an amenable number.

42530888 is a deficient number, since it is larger than the sum of its proper divisors (37560292).

42530888 is a wasteful number, since it uses less digits than its factorization.

42530888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23056 (or 23052 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 38.

The square root of 42530888 is about 6521.5709763829. The cubic root of 42530888 is about 349.0611245336.

It can be divided in two parts, 425 and 30888, that added together give a palindrome (31313).

The spelling of 42530888 in words is "forty-two million, five hundred thirty thousand, eight hundred eighty-eight".