450460259381 has 48 divisors (see below), whose sum is σ = 511304678640. Its totient is φ = 396365798400.

The previous prime is 450460259377. The next prime is 450460259399. The reversal of 450460259381 is 183952064054.

It can be written as a sum of positive squares in 8 ways, for example, as 33318661156 + 417141598225 = 182534^2 + 645865^2 .

It is not a de Polignac number, because 450460259381 - 2² = 450460259377 is a prime.

It is a super-2 number, since 2×450460259381² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450460259371) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 441194651 + ... + 441195671.

It is an arithmetic number, because the mean of its divisors is an integer number (10652180805).

Almost surely, 2^450460259381 is an apocalyptic number.

It is an amenable number.

450460259381 is a deficient number, since it is larger than the sum of its proper divisors (60844419259).

450460259381 is a wasteful number, since it uses less digits than its factorization.

450460259381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1958 (or 1947 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 47.

The spelling of 450460259381 in words is "four hundred fifty billion, four hundred sixty million, two hundred fifty-nine thousand, three hundred eighty-one".