2040055173025 has 9 divisors (see below), whose sum is σ = 2529677270073. Its totient is φ = 1632038425200.

The previous prime is 2040055172999. The next prime is 2040055173029. The reversal of 2040055173025 is 5203715500402.

The square root of 2040055173025 is 1428305.

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

It can be written as a sum of positive squares in 4 ways, for example, as 287142724449 + 1752912448576 = 535857^2 + 1323976^2 .

It is not a de Polignac number, because 2040055173025 - 2⁹ = 2040055172513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2040055173029) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 6998695 + ... + 7284355.

Almost surely, 2^{2040055173025} is an apocalyptic number.

2040055173025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2040055173025 is the 1428305-th square number.

2040055173025 is the 714153-rd centered octagonal number.

It is an amenable number.

2040055173025 is a deficient number, since it is larger than the sum of its proper divisors (489622097048).

2040055173025 is an frugal number, since it uses more digits than its factorization.

2040055173025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 571332 (or 285666 counting only the distinct ones).

The product of its (nonzero) digits is 42000, while the sum is 34.

The spelling of 2040055173025 in words is "two trillion, forty billion, fifty-five million, one hundred seventy-three thousand, twenty-five".