2540313533264 has 80 divisors (see below), whose sum is σ = 5469046291968. Its totient is φ = 1135676215296.

The previous prime is 2540313533249. The next prime is 2540313533269. The reversal of 2540313533264 is 4623353130452.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2540313533269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 391172 + ... + 2287715.

Almost surely, 2^{2540313533264} is an apocalyptic number.

It is an amenable number.

2540313533264 is an abundant number, since it is smaller than the sum of its proper divisors (2928732758704).

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

2540313533264 is a wasteful number, since it uses less digits than its factorization.

2540313533264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2679052 (or 2679046 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 41.

The spelling of 2540313533264 in words is "two trillion, five hundred forty billion, three hundred thirteen million, five hundred thirty-three thousand, two hundred sixty-four".