342404400 has 240 divisors, whose sum is σ = 1208922624. Its totient is φ = 82314240.

The previous prime is 342404347. The next prime is 342404417. The reversal of 342404400 is 4404243.

It is a tau number, because it is divible by the number of its divisors (240).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 732967 + ... + 733433.

Almost surely, 2^342404400 is an apocalyptic number.

342404400 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 342404400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (604461312).

342404400 is an abundant number, since it is smaller than the sum of its proper divisors (866518224).

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

342404400 is a wasteful number, since it uses less digits than its factorization.

342404400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 548 (or 537 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 21.

The square root of 342404400 is about 18504.1725024385. The cubic root of 342404400 is about 699.5945951872.

Adding to 342404400 its reverse (4404243), we get a palindrome (346808643).

The spelling of 342404400 in words is "three hundred forty-two million, four hundred four thousand, four hundred".