450665606606004 has 72 divisors (see below), whose sum is σ = 1170005980951080. Its totient is φ = 146157475997952.

The previous prime is 450665606605997. The next prime is 450665606606009. The reversal of 450665606606004 is 400606606566054.

It can be written as a sum of positive squares in 4 ways, for example, as 120558423608100 + 330107182997904 = 10979910^2 + 18168852^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450665606606009) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 39976642 + ... + 49994630.

It is an arithmetic number, because the mean of its divisors is an integer number (16250083068765).

Almost surely, 2^{450665606606004} is an apocalyptic number.

It is an amenable number.

450665606606004 is an abundant number, since it is smaller than the sum of its proper divisors (719340374345076).

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

450665606606004 is a wasteful number, since it uses less digits than its factorization.

450665606606004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10051809 (or 10051804 counting only the distinct ones).

The product of its (nonzero) digits is 18662400, while the sum is 54.

The spelling of 450665606606004 in words is "four hundred fifty trillion, six hundred sixty-five billion, six hundred six million, six hundred six thousand, four".