240311055340 has 12 divisors (see below), whose sum is σ = 504653216256. Its totient is φ = 96124422128.

The previous prime is 240311055331. The next prime is 240311055349. The reversal of 240311055340 is 43550113042.

It is an interprime number because it is at equal distance from previous prime (240311055331) and next prime (240311055349).

It is a junction number, because it is equal to n+sod(n) for n = 240311055299 and 240311055308.

It is not an unprimeable number, because it can be changed into a prime (240311055349) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6007776364 + ... + 6007776403.

It is an arithmetic number, because the mean of its divisors is an integer number (42054434688).

Almost surely, 2^240311055340 is an apocalyptic number.

240311055340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

240311055340 is an abundant number, since it is smaller than the sum of its proper divisors (264342160916).

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

240311055340 is a wasteful number, since it uses less digits than its factorization.

240311055340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12015552776 (or 12015552774 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

Adding to 240311055340 its reverse (43550113042), we get a palindrome (283861168382).

The spelling of 240311055340 in words is "two hundred forty billion, three hundred eleven million, fifty-five thousand, three hundred forty".