2540332213312 has 56 divisors (see below), whose sum is σ = 5227935375960. Its totient is φ = 1223277834240.

The previous prime is 2540332213301. The next prime is 2540332213313. The reversal of 2540332213312 is 2133122330452.

It can be written as a sum of positive squares in 4 ways, for example, as 1082382221376 + 1457949991936 = 1040376^2 + 1207456^2 .

It is not an unprimeable number, because it can be changed into a prime (2540332213313) 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, 986989 + ... + 2460652.

Almost surely, 2^{2540332213312} is an apocalyptic number.

It is an amenable number.

2540332213312 is an abundant number, since it is smaller than the sum of its proper divisors (2687603162648).

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

2540332213312 is a wasteful number, since it uses less digits than its factorization.

2540332213312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3448079 (or 3448069 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 31.

Adding to 2540332213312 its reverse (2133122330452), we get a palindrome (4673454543764).

The spelling of 2540332213312 in words is "two trillion, five hundred forty billion, three hundred thirty-two million, two hundred thirteen thousand, three hundred twelve".