450452620431 has 24 divisors (see below), whose sum is σ = 709826339664. Its totient is φ = 272993045760.

The previous prime is 450452620427. The next prime is 450452620463. The reversal of 450452620431 is 134026254054.

450452620431 is a `hidden beast` number, since 4 + 504 + 52 + 62 + 0 + 43 + 1 = 666.

It is not a de Polignac number, because 450452620431 - 2² = 450452620427 is a prime.

It is a super-2 number, since 2×450452620431² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450452620411) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4748295 + ... + 4842231.

It is an arithmetic number, because the mean of its divisors is an integer number (29576097486).

Almost surely, 2^450452620431 is an apocalyptic number.

450452620431 is a deficient number, since it is larger than the sum of its proper divisors (259373719233).

450452620431 is a wasteful number, since it uses less digits than its factorization.

450452620431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142391 (or 142388 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 36.

Adding to 450452620431 its reverse (134026254054), we get a palindrome (584478874485).

The spelling of 450452620431 in words is "four hundred fifty billion, four hundred fifty-two million, six hundred twenty thousand, four hundred thirty-one".