2340004500261 has 8 divisors (see below), whose sum is σ = 3466673333760. Its totient is φ = 1560003000156.

The previous prime is 2340004500233. The next prime is 2340004500269. The reversal of 2340004500261 is 1620054000432.

It is not a de Polignac number, because 2340004500261 - 2⁷ = 2340004500133 is a prime.

It is a super-2 number, since 2×2340004500261² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 86666833343 = 2340004500261 / (2 + 3 + 4 + 0 + 0 + 0 + 4 + 5 + 0 + 0 + 2 + 6 + 1).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2340004500269) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43333416645 + ... + 43333416698.

It is an arithmetic number, because the mean of its divisors is an integer number (433334166720).

Almost surely, 2^{2340004500261} is an apocalyptic number.

It is an amenable number.

2340004500261 is a deficient number, since it is larger than the sum of its proper divisors (1126668833499).

2340004500261 is an equidigital number, since it uses as much as digits as its factorization.

2340004500261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86666833352 (or 86666833346 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

Adding to 2340004500261 its reverse (1620054000432), we get a palindrome (3960058500693).

The spelling of 2340004500261 in words is "two trillion, three hundred forty billion, four million, five hundred thousand, two hundred sixty-one".