42538030 has 8 divisors (see below), whose sum is σ = 76568472. Its totient is φ = 17015208.

The previous prime is 42538021. The next prime is 42538037. The reversal of 42538030 is 3083524.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 42537986 and 42538004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42538037) 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, 2126892 + ... + 2126911.

It is an arithmetic number, because the mean of its divisors is an integer number (9571059).

Almost surely, 2^42538030 is an apocalyptic number.

42538030 is a deficient number, since it is larger than the sum of its proper divisors (34030442).

42538030 is a wasteful number, since it uses less digits than its factorization.

42538030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4253810.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 42538030 is about 6522.1185208489. The cubic root of 42538030 is about 349.0806621382.

The spelling of 42538030 in words is "forty-two million, five hundred thirty-eight thousand, thirty".