342321521450 has 24 divisors (see below), whose sum is σ = 643282142412. Its totient is φ = 135516971520.

The previous prime is 342321521447. The next prime is 342321521461. The reversal of 342321521450 is 54125123243.

It can be written as a sum of positive squares in 6 ways, for example, as 168468381601 + 173853139849 = 410449^2 + 416957^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35286029 + ... + 35295728.

Almost surely, 2^342321521450 is an apocalyptic number.

342321521450 is a deficient number, since it is larger than the sum of its proper divisors (300960620962).

342321521450 is a wasteful number, since it uses less digits than its factorization.

342321521450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70581866 (or 70581861 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 32.

Adding to 342321521450 its reverse (54125123243), we get a palindrome (396446644693).

The spelling of 342321521450 in words is "three hundred forty-two billion, three hundred twenty-one million, five hundred twenty-one thousand, four hundred fifty".