535240240 has 160 divisors (see below), whose sum is σ = 1400535360. Its totient is φ = 189235200.

The previous prime is 535240229. The next prime is 535240243. The reversal of 535240240 is 42042535.

It is a super-2 number, since 2×535240240² = 572964229030515200, which contains 22 as substring.

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (535240243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1616875 + ... + 1617205.

It is an arithmetic number, because the mean of its divisors is an integer number (8753346).

Almost surely, 2^535240240 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 535240240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (700267680).

535240240 is an abundant number, since it is smaller than the sum of its proper divisors (865295120).

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

535240240 is a wasteful number, since it uses less digits than its factorization.

535240240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 431 (or 425 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 535240240 is about 23135.2596700361. The cubic root of 535240240 is about 811.9256324104.

Adding to 535240240 its reverse (42042535), we get a palindrome (577282775).

The spelling of 535240240 in words is "five hundred thirty-five million, two hundred forty thousand, two hundred forty".