235011240 has 128 divisors (see below), whose sum is σ = 817516800. Its totient is φ = 59938560.

The previous prime is 235011191. The next prime is 235011241. The reversal of 235011240 is 42110532.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (235011241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20110 + ... + 29570.

It is an arithmetic number, because the mean of its divisors is an integer number (6386850).

Almost surely, 2^235011240 is an apocalyptic number.

235011240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 235011240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (408758400).

235011240 is an abundant number, since it is smaller than the sum of its proper divisors (582505560).

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

235011240 is a wasteful number, since it uses less digits than its factorization.

235011240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9504 (or 9494 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 235011240 is about 15330.0763207494. The cubic root of 235011240 is about 617.1104177173.

Adding to 235011240 its reverse (42110532), we get a palindrome (277121772).

The spelling of 235011240 in words is "two hundred thirty-five million, eleven thousand, two hundred forty".