595640240 has 80 divisors (see below), whose sum is σ = 1495820928. Its totient is φ = 219276288.

The previous prime is 595640239. The next prime is 595640261. The reversal of 595640240 is 42046595.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 595640240.

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, 480902 + ... + 482138.

Almost surely, 2^595640240 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 595640240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (747910464).

595640240 is an abundant number, since it is smaller than the sum of its proper divisors (900180688).

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

595640240 is a wasteful number, since it uses less digits than its factorization.

595640240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1726 (or 1720 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 35.

The square root of 595640240 is about 24405.7419473369. The cubic root of 595640240 is about 841.3848283331.

The spelling of 595640240 in words is "five hundred ninety-five million, six hundred forty thousand, two hundred forty".