1055022742449 has 45 divisors (see below), whose sum is σ = 1706774047803. Its totient is φ = 649170810288.

The previous prime is 1055022742447. The next prime is 1055022742481. The reversal of 1055022742449 is 9442472205501.

The square root of 1055022742449 is 1027143.

It is a perfect power (a square), and thus also a powerful number.

1055022742449 is a `hidden beast` number, since 1 + 0 + 550 + 2 + 2 + 74 + 24 + 4 + 9 = 666.

It can be written as a sum of positive squares in only one way, i.e., 156068453025 + 898954289424 = 395055^2 + 948132^2 .

It is not a de Polignac number, because 1055022742449 - 2¹ = 1055022742447 is a prime.

It is a super-2 number, since 2×1055022742449² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1055022742447) by changing a digit.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 120171342 + ... + 120180120.

Almost surely, 2^{1055022742449} is an apocalyptic number.

1055022742449 is the 1027143-rd square number.

1055022742449 is the 513572-nd centered octagonal number.

It is an amenable number.

1055022742449 is a deficient number, since it is larger than the sum of its proper divisors (651751305354).

1055022742449 is an frugal number, since it uses more digits than its factorization.

1055022742449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17596 (or 8795 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 45.

The spelling of 1055022742449 in words is "one trillion, fifty-five billion, twenty-two million, seven hundred forty-two thousand, four hundred forty-nine".