235415240 has 32 divisors (see below), whose sum is σ = 546773760. Its totient is φ = 91128000.

The previous prime is 235415237. The next prime is 235415249. The reversal of 235415240 is 42514532.

It is a happy number.

It is a zygodrome in base 7.

It is not an unprimeable number, because it can be changed into a prime (235415249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93686 + ... + 96165.

It is an arithmetic number, because the mean of its divisors is an integer number (17086680).

Almost surely, 2^235415240 is an apocalyptic number.

235415240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

235415240 is an abundant number, since it is smaller than the sum of its proper divisors (311358520).

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

235415240 is a wasteful number, since it uses less digits than its factorization.

235415240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189893 (or 189889 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 235415240 is about 15343.2473746596. The cubic root of 235415240 is about 617.4638332722.

Adding to 235415240 its reverse (42514532), we get a palindrome (277929772).

The spelling of 235415240 in words is "two hundred thirty-five million, four hundred fifteen thousand, two hundred forty".