240288196864 has 27 divisors (see below), whose sum is σ = 479653423977. Its totient is φ = 120140176896.

The previous prime is 240288196859. The next prime is 240288196891. The reversal of 240288196864 is 468691882042.

It is a happy number.

The square root of 240288196864 is 490192.

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

It can be written as a sum of positive squares in only one way, i.e., 229096249600 + 11191947264 = 478640^2 + 105792^2 .

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 240288196799 and 240288196808.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 7827754 + ... + 7858390.

Almost surely, 2^240288196864 is an apocalyptic number.

240288196864 is the 490192-nd square number.

It is an amenable number.

240288196864 is a deficient number, since it is larger than the sum of its proper divisors (239365227113).

240288196864 is an frugal number, since it uses more digits than its factorization.

240288196864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61290 (or 30639 counting only the distinct ones).

The product of its (nonzero) digits is 10616832, while the sum is 58.

The spelling of 240288196864 in words is "two hundred forty billion, two hundred eighty-eight million, one hundred ninety-six thousand, eight hundred sixty-four".