240099999999 has 16 divisors (see below), whose sum is σ = 321966594144. Its totient is φ = 159152000000.

The previous prime is 240099999989. The next prime is 240100000009. The reversal of 240099999999 is 999999990042.

It is a Cunningham number, because it is equal to 700⁴-1.

It is an interprime number because it is at equal distance from previous prime (240099999989) and next prime (240100000009).

It is a cyclic number.

It is not a de Polignac number, because 240099999999 - 2²³ = 240091611391 is a prime.

240099999999 is a modest number, since divided by 999999 gives 240099 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240099999989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 244999 + ... + 734999.

It is an arithmetic number, because the mean of its divisors is an integer number (20122912134).

Almost surely, 2^240099999999 is an apocalyptic number.

240099999999 is a deficient number, since it is larger than the sum of its proper divisors (81866594145).

240099999999 is a wasteful number, since it uses less digits than its factorization.

240099999999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 490938.

The product of its (nonzero) digits is 344373768, while the sum is 78.

The spelling of 240099999999 in words is "two hundred forty billion, ninety-nine million, nine hundred ninety-nine thousand, nine hundred ninety-nine".