55340444240000 has 160 divisors (see below), whose sum is σ = 145017453622800. Its totient is φ = 20971115136000.

The previous prime is 55340444239891. The next prime is 55340444240017. The reversal of 55340444240000 is 4244404355.

It is a tau number, because it is divible by the number of its divisors (160).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 16684094 + ... + 19724093.

Almost surely, 2^{55340444240000} is an apocalyptic number.

55340444240000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

55340444240000 is an abundant number, since it is smaller than the sum of its proper divisors (89677009382800).

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

55340444240000 is an equidigital number, since it uses as much as digits as its factorization.

55340444240000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36408240 (or 36408213 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 35.

Adding to 55340444240000 its reverse (4244404355), we get a palindrome (55344688644355).

The spelling of 55340444240000 in words is "fifty-five trillion, three hundred forty billion, four hundred forty-four million, two hundred forty thousand".