240488236816 has 15 divisors (see below), whose sum is σ = 465949759431. Its totient is φ = 120243137616.

The previous prime is 240488236811. The next prime is 240488236861. The reversal of 240488236816 is 618632884042.

The square root of 240488236816 is 490396.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (240488236811) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1900285 + ... + 2022883.

Almost surely, 2^240488236816 is an apocalyptic number.

240488236816 is the 490396-th square number.

It is an amenable number.

240488236816 is a deficient number, since it is larger than the sum of its proper divisors (225461522615).

240488236816 is an frugal number, since it uses more digits than its factorization.

240488236816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245206 (or 122601 counting only the distinct ones).

The product of its (nonzero) digits is 3538944, while the sum is 52.

The spelling of 240488236816 in words is "two hundred forty billion, four hundred eighty-eight million, two hundred thirty-six thousand, eight hundred sixteen".