342442140 has 48 divisors (see below), whose sum is σ = 959673120. Its totient is φ = 91238400.

The previous prime is 342442129. The next prime is 342442157. The reversal of 342442140 is 41244243.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 342442140.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 106476 + ... + 109644.

It is an arithmetic number, because the mean of its divisors is an integer number (19993190).

Almost surely, 2^342442140 is an apocalyptic number.

342442140 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

342442140 is an abundant number, since it is smaller than the sum of its proper divisors (617230980).

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

342442140 is a wasteful number, since it uses less digits than its factorization.

342442140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4982 (or 4980 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 342442140 is about 18505.1922443405. The cubic root of 342442140 is about 699.6202974757.

Adding to 342442140 its reverse (41244243), we get a palindrome (383686383).

The spelling of 342442140 in words is "three hundred forty-two million, four hundred forty-two thousand, one hundred forty".