42130340 has 24 divisors (see below), whose sum is σ = 101113152. Its totient is φ = 14444640.

The previous prime is 42130339. The next prime is 42130343. The reversal of 42130340 is 4303124.

It is not an unprimeable number, because it can be changed into a prime (42130343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 150326 + ... + 150605.

It is an arithmetic number, because the mean of its divisors is an integer number (4213048).

Almost surely, 2^42130340 is an apocalyptic number.

It is an amenable number.

42130340 is an abundant number, since it is smaller than the sum of its proper divisors (58982812).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42130340 is a wasteful number, since it uses less digits than its factorization.

42130340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300947 (or 300945 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 42130340 is about 6490.7888580665. The cubic root of 42130340 is about 347.9618688127.

Adding to 42130340 its reverse (4303124), we get a palindrome (46433464).

The spelling of 42130340 in words is "forty-two million, one hundred thirty thousand, three hundred forty".