240251320240 has 40 divisors (see below), whose sum is σ = 562011247728. Its totient is φ = 95510949120.

The previous prime is 240251320219. The next prime is 240251320249. The reversal of 240251320240 is 42023152042.

240251320240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (240251320249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9199051 + ... + 9225130.

Almost surely, 2^240251320240 is an apocalyptic number.

240251320240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

240251320240 is an abundant number, since it is smaller than the sum of its proper divisors (321759927488).

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

240251320240 is a wasteful number, since it uses less digits than its factorization.

240251320240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18424357 (or 18424351 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

Adding to 240251320240 its reverse (42023152042), we get a palindrome (282274472282).

The spelling of 240251320240 in words is "two hundred forty billion, two hundred fifty-one million, three hundred twenty thousand, two hundred forty".