535232240 has 80 divisors (see below), whose sum is σ = 1277918208. Its totient is φ = 208382208.

The previous prime is 535232231. The next prime is 535232249. The reversal of 535232240 is 42232535.

It is an interprime number because it is at equal distance from previous prime (535232231) and next prime (535232249).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (535232249) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1063829 + ... + 1064331.

Almost surely, 2^535232240 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 535232240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (638959104).

535232240 is an abundant number, since it is smaller than the sum of its proper divisors (742685968).

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

535232240 is a wasteful number, since it uses less digits than its factorization.

535232240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 846 (or 840 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 26.

The square root of 535232240 is about 23135.0867731245. The cubic root of 535232240 is about 811.9215872254.

Adding to 535232240 its reverse (42232535), we get a palindrome (577464775).

The spelling of 535232240 in words is "five hundred thirty-five million, two hundred thirty-two thousand, two hundred forty".