573265440 has 144 divisors (see below), whose sum is σ = 2134169856. Its totient is φ = 138969600.

The previous prime is 573265421. The next prime is 573265453. The reversal of 573265440 is 44562375.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 573265395 and 573265404.

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 23 ways as a sum of consecutive naturals, for example, 2256 + ... + 33935.

It is an arithmetic number, because the mean of its divisors is an integer number (14820624).

Almost surely, 2^573265440 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 573265440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1067084928).

573265440 is an abundant number, since it is smaller than the sum of its proper divisors (1560904416).

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

573265440 is a wasteful number, since it uses less digits than its factorization.

573265440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36223 (or 36212 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 36.

The square root of 573265440 is about 23942.9622227493. The cubic root of 573265440 is about 830.7147469809.

The spelling of 573265440 in words is "five hundred seventy-three million, two hundred sixty-five thousand, four hundred forty".