450665660542 has 16 divisors (see below), whose sum is σ = 710774393472. Its totient is φ = 213890436760.

The previous prime is 450665660531. The next prime is 450665660573. The reversal of 450665660542 is 245066566054.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37387408 + ... + 37399459.

It is an arithmetic number, because the mean of its divisors is an integer number (44423399592).

Almost surely, 2^450665660542 is an apocalyptic number.

450665660542 is a deficient number, since it is larger than the sum of its proper divisors (260108732930).

450665660542 is a wasteful number, since it uses less digits than its factorization.

450665660542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74787023.

The product of its (nonzero) digits is 5184000, while the sum is 49.

The spelling of 450665660542 in words is "four hundred fifty billion, six hundred sixty-five million, six hundred sixty thousand, five hundred forty-two".