240325640 has 32 divisors (see below), whose sum is σ = 558178560. Its totient is φ = 93028800.

The previous prime is 240325637. The next prime is 240325649. The reversal of 240325640 is 46523042.

It is not an unprimeable number, because it can be changed into a prime (240325649) 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, 95666 + ... + 98145.

It is an arithmetic number, because the mean of its divisors is an integer number (17443080).

Almost surely, 2^240325640 is an apocalyptic number.

240325640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

240325640 is an abundant number, since it is smaller than the sum of its proper divisors (317852920).

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

240325640 is a wasteful number, since it uses less digits than its factorization.

240325640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193853 (or 193849 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 240325640 is about 15502.4398079786. The cubic root of 240325640 is about 621.7274406090.

Adding to 240325640 its reverse (46523042), we get a palindrome (286848682).

The spelling of 240325640 in words is "two hundred forty million, three hundred twenty-five thousand, six hundred forty".