454250388361 has 27 divisors (see below), whose sum is σ = 580884747303. Its totient is φ = 353920902720.

The previous prime is 454250388299. The next prime is 454250388367. The reversal of 454250388361 is 163883052454.

The square root of 454250388361 is 673981.

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

It can be written as a sum of positive squares in only one way, i.e., 396238775625 + 58011612736 = 629475^2 + 240856^2 .

It is not a de Polignac number, because 454250388361 - 2²¹ = 454248291209 is a prime.

It is a super-2 number, since 2×454250388361² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is not an unprimeable number, because it can be changed into a prime (454250388367) 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, 51892161 + ... + 51900913.

Almost surely, 2^454250388361 is an apocalyptic number.

454250388361 is the 673981-st square number.

454250388361 is the 336991-st centered octagonal number.

It is an amenable number.

454250388361 is a deficient number, since it is larger than the sum of its proper divisors (126634358942).

454250388361 is an frugal number, since it uses more digits than its factorization.

454250388361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17542 (or 8771 counting only the distinct ones).

The product of its (nonzero) digits is 2764800, while the sum is 49.

Multiplying 454250388361 by its sum of digits (49), we get a square (22258269029689 = 4717867²).

454250388361 divided by its sum of digits (49) gives a square (9270416089 = 96283²).

The spelling of 454250388361 in words is "four hundred fifty-four billion, two hundred fifty million, three hundred eighty-eight thousand, three hundred sixty-one".