342440044420 has 24 divisors (see below), whose sum is σ = 730913015448. Its totient is φ = 134730508800.

The previous prime is 342440044369. The next prime is 342440044447. The reversal of 342440044420 is 24440044243.

It can be written as a sum of positive squares in 4 ways, for example, as 5585170756 + 336854873664 = 74734^2 + 580392^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 140343061 + ... + 140345500.

It is an arithmetic number, because the mean of its divisors is an integer number (30454708977).

Almost surely, 2^342440044420 is an apocalyptic number.

It is an amenable number.

342440044420 is an abundant number, since it is smaller than the sum of its proper divisors (388472971028).

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

342440044420 is a wasteful number, since it uses less digits than its factorization.

342440044420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280688631 (or 280688629 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 31.

Adding to 342440044420 its reverse (24440044243), we get a palindrome (366880088663).

The spelling of 342440044420 in words is "three hundred forty-two billion, four hundred forty million, forty-four thousand, four hundred twenty".