34242140 has 24 divisors (see below), whose sum is σ = 72585072. Its totient is φ = 13568000.

The previous prime is 34242133. The next prime is 34242157. The reversal of 34242140 is 4124243.

34242140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5861 + ... + 10140.

It is an arithmetic number, because the mean of its divisors is an integer number (3024378).

Almost surely, 2^34242140 is an apocalyptic number.

It is an amenable number.

34242140 is an abundant number, since it is smaller than the sum of its proper divisors (38342932).

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

34242140 is a wasteful number, since it uses less digits than its factorization.

34242140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16117 (or 16115 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 34242140 is about 5851.6783917095. The cubic root of 34242140 is about 324.7284200655.

Adding to 34242140 its reverse (4124243), we get a palindrome (38366383).

The spelling of 34242140 in words is "thirty-four million, two hundred forty-two thousand, one hundred forty".