42140500 has 48 divisors (see below), whose sum is σ = 92671488. Its totient is φ = 16740000.

The previous prime is 42140489. The next prime is 42140503. The reversal of 42140500 is 504124.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42140503) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 135345 + ... + 135655.

It is an arithmetic number, because the mean of its divisors is an integer number (1930656).

Almost surely, 2^42140500 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42140500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46335744).

42140500 is an abundant number, since it is smaller than the sum of its proper divisors (50530988).

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

42140500 is a wasteful number, since it uses less digits than its factorization.

42140500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 601 (or 589 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 42140500 is about 6491.5714584375. The cubic root of 42140500 is about 347.9898376387.

Adding to 42140500 its reverse (504124), we get a palindrome (42644624).

The spelling of 42140500 in words is "forty-two million, one hundred forty thousand, five hundred".