450279622242 has 30 divisors (see below), whose sum is σ = 1008979032369. Its totient is φ = 150090360480.

The previous prime is 450279622229. The next prime is 450279622249. The reversal of 450279622242 is 242226972054.

It can be written as a sum of positive squares in 2 ways, for example, as 353360102481 + 96919519761 = 594441^2 + 311319^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=474489.

It is a super-2 number, since 2×450279622242² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (450279622249) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 8514442 + ... + 8567162.

Almost surely, 2^450279622242 is an apocalyptic number.

450279622242 is an abundant number, since it is smaller than the sum of its proper divisors (558699410127).

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

450279622242 is an frugal number, since it uses more digits than its factorization.

450279622242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105456 (or 52726 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 45.

The spelling of 450279622242 in words is "four hundred fifty billion, two hundred seventy-nine million, six hundred twenty-two thousand, two hundred forty-two".