1055264440321 has 32 divisors (see below), whose sum is σ = 1331076354048. Its totient is φ = 814195791360.

The previous prime is 1055264440261. The next prime is 1055264440337. The reversal of 1055264440321 is 1230444625501.

It is not a de Polignac number, because 1055264440321 - 2³⁵ = 1020904701953 is a prime.

It is a super-2 number, since 2×1055264440321² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1055264440361) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8192800 + ... + 8320606.

It is an arithmetic number, because the mean of its divisors is an integer number (41596136064).

Almost surely, 2^{1055264440321} is an apocalyptic number.

It is an amenable number.

1055264440321 is a deficient number, since it is larger than the sum of its proper divisors (275811913727).

1055264440321 is a wasteful number, since it uses less digits than its factorization.

1055264440321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130081.

The product of its (nonzero) digits is 115200, while the sum is 37.

It can be divided in two parts, 1055264 and 440321, that added together give a triangular number (1495585 = T₁₇₂₉).

The spelling of 1055264440321 in words is "one trillion, fifty-five billion, two hundred sixty-four million, four hundred forty thousand, three hundred twenty-one".