234520240 has 20 divisors (see below), whose sum is σ = 545259744. Its totient is φ = 93808064.

The previous prime is 234520199. The next prime is 234520241. The reversal of 234520240 is 42025432.

It is a tau number, because it is divible by the number of its divisors (20).

It is not an unprimeable number, because it can be changed into a prime (234520241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1465672 + ... + 1465831.

Almost surely, 2^234520240 is an apocalyptic number.

234520240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

234520240 is an abundant number, since it is smaller than the sum of its proper divisors (310739504).

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

234520240 is a wasteful number, since it uses less digits than its factorization.

234520240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2931516 (or 2931510 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 234520240 is about 15314.0536762805. The cubic root of 234520240 is about 616.6803496680.

Adding to 234520240 its reverse (42025432), we get a palindrome (276545672).

The spelling of 234520240 in words is "two hundred thirty-four million, five hundred twenty thousand, two hundred forty".