1055142340444 has 48 divisors (see below), whose sum is σ = 1917634874400. Its totient is φ = 507392557056.

The previous prime is 1055142340397. The next prime is 1055142340451. The reversal of 1055142340444 is 4440432415501.

It is a super-2 number, since 2×1055142340444² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32694364 + ... + 32726620.

It is an arithmetic number, because the mean of its divisors is an integer number (39950726550).

Almost surely, 2^{1055142340444} is an apocalyptic number.

It is an amenable number.

1055142340444 is a deficient number, since it is larger than the sum of its proper divisors (862492533956).

1055142340444 is a wasteful number, since it uses less digits than its factorization.

1055142340444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33382 (or 33380 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 37.

Adding to 1055142340444 its reverse (4440432415501), we get a palindrome (5495574755945).

The spelling of 1055142340444 in words is "one trillion, fifty-five billion, one hundred forty-two million, three hundred forty thousand, four hundred forty-four".