450246431 has 8 divisors (see below), whose sum is σ = 467269680. Its totient is φ = 433323072.

The previous prime is 450246427. The next prime is 450246469. The reversal of 450246431 is 134642054.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 450246431 - 2² = 450246427 is a prime.

It is a super-2 number, since 2×450246431² = 405443697256475522, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 450246394 and 450246403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450246481) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15725 + ... + 33878.

It is an arithmetic number, because the mean of its divisors is an integer number (58408710).

Almost surely, 2^450246431 is an apocalyptic number.

450246431 is a deficient number, since it is larger than the sum of its proper divisors (17023249).

450246431 is a wasteful number, since it uses less digits than its factorization.

450246431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49945.

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 450246431 is about 21219.0110749771. The cubic root of 450246431 is about 766.4492901259.

Adding to 450246431 its reverse (134642054), we get a palindrome (584888485).

The spelling of 450246431 in words is "four hundred fifty million, two hundred forty-six thousand, four hundred thirty-one".