342000456 has 128 divisors (see below), whose sum is σ = 1034880000. Its totient is φ = 92005632.

The previous prime is 342000433. The next prime is 342000473. The reversal of 342000456 is 654000243.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 979770 + ... + 980118.

It is an arithmetic number, because the mean of its divisors is an integer number (8085000).

Almost surely, 2^342000456 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 342000456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (517440000).

342000456 is an abundant number, since it is smaller than the sum of its proper divisors (692879544).

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

342000456 is a wasteful number, since it uses less digits than its factorization.

342000456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 691 (or 687 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 342000456 is about 18493.2543377308. The cubic root of 342000456 is about 699.3193765264.

Adding to 342000456 its reverse (654000243), we get a palindrome (996000699).

The spelling of 342000456 in words is "three hundred forty-two million, four hundred fifty-six", and thus it is an aban number.