2540230602340 has 48 divisors (see below), whose sum is σ = 5413794744960. Its totient is φ = 1001053690880.

The previous prime is 2540230602337. The next prime is 2540230602347. The reversal of 2540230602340 is 432060320452.

It is not an unprimeable number, because it can be changed into a prime (2540230602347) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1535341 + ... + 2727220.

It is an arithmetic number, because the mean of its divisors is an integer number (112787390520).

Almost surely, 2^{2540230602340} is an apocalyptic number.

2540230602340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2540230602340 is an abundant number, since it is smaller than the sum of its proper divisors (2873564142620).

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

2540230602340 is a wasteful number, since it uses less digits than its factorization.

2540230602340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4263012 (or 4263010 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 31.

Adding to 2540230602340 its reverse (432060320452), we get a palindrome (2972290922792).

The spelling of 2540230602340 in words is "two trillion, five hundred forty billion, two hundred thirty million, six hundred two thousand, three hundred forty".