1055040866784 has 36 divisors (see below), whose sum is σ = 3000272465736. Its totient is φ = 351680288832.

The previous prime is 1055040866783. The next prime is 1055040866801. The reversal of 1055040866784 is 4876680405501.

1055040866784 is a `hidden beast` number, since 1 + 0 + 5 + 504 + 0 + 8 + 66 + 78 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×1055040866784² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1055040866784.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1055040866783) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 1831667884 + ... + 1831668459.

It is an arithmetic number, because the mean of its divisors is an integer number (83340901826).

Almost surely, 2^{1055040866784} is an apocalyptic number.

It is an amenable number.

1055040866784 is an abundant number, since it is smaller than the sum of its proper divisors (1945231598952).

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

1055040866784 is a wasteful number, since it uses less digits than its factorization.

1055040866784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3663336359 (or 3663336348 counting only the distinct ones).

The product of its (nonzero) digits is 6451200, while the sum is 54.

The spelling of 1055040866784 in words is "one trillion, fifty-five billion, forty million, eight hundred sixty-six thousand, seven hundred eighty-four".