342505400 has 96 divisors (see below), whose sum is σ = 844700400. Its totient is φ = 128793600.

The previous prime is 342505379. The next prime is 342505439. The reversal of 342505400 is 4505243.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 657140 + ... + 657660.

Almost surely, 2^342505400 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 342505400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (422350200).

342505400 is an abundant number, since it is smaller than the sum of its proper divisors (502195000).

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

342505400 is a wasteful number, since it uses less digits than its factorization.

342505400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 729 (or 720 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 342505400 is about 18506.9014154180. The cubic root of 342505400 is about 699.6633755609.

The spelling of 342505400 in words is "three hundred forty-two million, five hundred five thousand, four hundred".