2343534140240 has 20 divisors (see below), whose sum is σ = 5448716876244. Its totient is φ = 937413656064.

The previous prime is 2343534140179. The next prime is 2343534140257. The reversal of 2343534140240 is 420414353432.

It can be written as a sum of positive squares in 2 ways, for example, as 849184366144 + 1494349774096 = 921512^2 + 1222436^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a self number, because there is not a number n which added to its sum of digits gives 2343534140240.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14647088297 + ... + 14647088456.

Almost surely, 2^{2343534140240} is an apocalyptic number.

2343534140240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2343534140240 is an abundant number, since it is smaller than the sum of its proper divisors (3105182736004).

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

2343534140240 is a wasteful number, since it uses less digits than its factorization.

2343534140240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29294176766 (or 29294176760 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 35.

Adding to 2343534140240 its reverse (420414353432), we get a palindrome (2763948493672).

The spelling of 2343534140240 in words is "two trillion, three hundred forty-three billion, five hundred thirty-four million, one hundred forty thousand, two hundred forty".