453522728 has 8 divisors (see below), whose sum is σ = 850355130. Its totient is φ = 226761360.

The previous prime is 453522721. The next prime is 453522733. The reversal of 453522728 is 827225354.

It can be written as a sum of positive squares in only one way, i.e., 422631364 + 30891364 = 20558^2 + 5558^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 453522691 and 453522700.

It is not an unprimeable number, because it can be changed into a prime (453522721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28345163 + ... + 28345178.

Almost surely, 2^453522728 is an apocalyptic number.

It is an amenable number.

453522728 is a deficient number, since it is larger than the sum of its proper divisors (396832402).

453522728 is a wasteful number, since it uses less digits than its factorization.

453522728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56690347 (or 56690343 counting only the distinct ones).

The product of its digits is 134400, while the sum is 38.

The square root of 453522728 is about 21296.0730652390. The cubic root of 453522728 is about 768.3038664825.

The spelling of 453522728 in words is "four hundred fifty-three million, five hundred twenty-two thousand, seven hundred twenty-eight".