240115240 has 16 divisors (see below), whose sum is σ = 540259380. Its totient is φ = 96046080.

The previous prime is 240115201. The next prime is 240115241. The reversal of 240115240 is 42511042.

It can be written as a sum of positive squares in 2 ways, for example, as 232196644 + 7918596 = 15238^2 + 2814^2 .

It is not an unprimeable number, because it can be changed into a prime (240115241) 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, 3001401 + ... + 3001480.

Almost surely, 2^240115240 is an apocalyptic number.

240115240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

240115240 is an abundant number, since it is smaller than the sum of its proper divisors (300144140).

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

240115240 is a wasteful number, since it uses less digits than its factorization.

240115240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6002892 (or 6002888 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 240115240 is about 15495.6522934661. The cubic root of 240115240 is about 621.5459512399.

Adding to 240115240 its reverse (42511042), we get a palindrome (282626282).

The spelling of 240115240 in words is "two hundred forty million, one hundred fifteen thousand, two hundred forty".