450539523648 has 56 divisors (see below), whose sum is σ = 1324502771360. Its totient is φ = 150179840640.

The previous prime is 450539523611. The next prime is 450539523677. The reversal of 450539523648 is 846325935054.

It is a happy number.

450539523648 is a `hidden beast` number, since 4 + 5 + 0 + 53 + 9 + 523 + 64 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 450539523594 and 450539523603.

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, 130362718 + ... + 130366173.

Almost surely, 2^450539523648 is an apocalyptic number.

450539523648 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

450539523648 is an abundant number, since it is smaller than the sum of its proper divisors (873963247712).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

450539523648 is a wasteful number, since it uses less digits than its factorization.

450539523648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260728912 (or 260728896 counting only the distinct ones).

The product of its (nonzero) digits is 15552000, while the sum is 54.

The spelling of 450539523648 in words is "four hundred fifty billion, five hundred thirty-nine million, five hundred twenty-three thousand, six hundred forty-eight".