450441551503261 has 32 divisors (see below), whose sum is σ = 505161481530240. Its totient is φ = 399135409311744.

The previous prime is 450441551503217. The next prime is 450441551503289. The reversal of 450441551503261 is 162305155144054.

It is a cyclic number.

It is not a de Polignac number, because 450441551503261 - 2³¹ = 450439404019613 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450441551503961) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 654240951 + ... + 654929083.

It is an arithmetic number, because the mean of its divisors is an integer number (15786296297820).

Almost surely, 2^{450441551503261} is an apocalyptic number.

It is an amenable number.

450441551503261 is a deficient number, since it is larger than the sum of its proper divisors (54719930026979).

450441551503261 is a wasteful number, since it uses less digits than its factorization.

450441551503261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 700765.

The product of its (nonzero) digits is 1440000, while the sum is 46.

The spelling of 450441551503261 in words is "four hundred fifty trillion, four hundred forty-one billion, five hundred fifty-one million, five hundred three thousand, two hundred sixty-one".