453730820 has 12 divisors (see below), whose sum is σ = 952834764. Its totient is φ = 181492320.

The previous prime is 453730793. The next prime is 453730831. The reversal of 453730820 is 28037354.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 251920384 + 201810436 = 15872^2 + 14206^2 .

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 11343251 + ... + 11343290.

It is an arithmetic number, because the mean of its divisors is an integer number (79402897).

Almost surely, 2^453730820 is an apocalyptic number.

It is an amenable number.

453730820 is an abundant number, since it is smaller than the sum of its proper divisors (499103944).

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

453730820 is a wasteful number, since it uses less digits than its factorization.

453730820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22686550 (or 22686548 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 453730820 is about 21300.9581944099. The cubic root of 453730820 is about 768.4213566927.

The spelling of 453730820 in words is "four hundred fifty-three million, seven hundred thirty thousand, eight hundred twenty".