454425640321 has 27 divisors (see below), whose sum is σ = 474838948233. Its totient is φ = 434882488320.

The previous prime is 454425640309. The next prime is 454425640337. The reversal of 454425640321 is 123046524454.

The square root of 454425640321 is 674111.

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 1448183025 + 452977457296 = 38055^2 + 673036^2 .

It is not a de Polignac number, because 454425640321 - 2⁹ = 454425639809 is a prime.

It is not an unprimeable number, because it can be changed into a prime (454425620321) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 1768193025 + ... + 1768193281.

Almost surely, 2^454425640321 is an apocalyptic number.

454425640321 is the 674111-st square number.

454425640321 is the 337056-th centered octagonal number.

It is an amenable number.

454425640321 is a deficient number, since it is larger than the sum of its proper divisors (20413307912).

454425640321 is an frugal number, since it uses more digits than its factorization.

454425640321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 722 (or 361 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 40.

The spelling of 454425640321 in words is "four hundred fifty-four billion, four hundred twenty-five million, six hundred forty thousand, three hundred twenty-one".