573996240 has 80 divisors (see below), whose sum is σ = 1977105600. Its totient is φ = 153065088.

The previous prime is 573996229. The next prime is 573996253. The reversal of 573996240 is 42699375.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 130710 + ... + 135029.

It is an arithmetic number, because the mean of its divisors is an integer number (24713820).

Almost surely, 2^573996240 is an apocalyptic number.

It is an amenable number.

573996240 is an abundant number, since it is smaller than the sum of its proper divisors (1403109360).

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

573996240 is a wasteful number, since it uses less digits than its factorization.

573996240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265761 (or 265749 counting only the distinct ones).

The product of its (nonzero) digits is 408240, while the sum is 45.

The square root of 573996240 is about 23958.2186316095. The cubic root of 573996240 is about 831.0675960601.

The spelling of 573996240 in words is "five hundred seventy-three million, nine hundred ninety-six thousand, two hundred forty".