2540254060416 has 64 divisors (see below), whose sum is σ = 6755709761280. Its totient is φ = 845727364608.

The previous prime is 2540254060391. The next prime is 2540254060493. The reversal of 2540254060416 is 6140604520452.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3681976 + ... + 4317111.

It is an arithmetic number, because the mean of its divisors is an integer number (105557965020).

Almost surely, 2^{2540254060416} is an apocalyptic number.

It is an amenable number.

2540254060416 is an abundant number, since it is smaller than the sum of its proper divisors (4215455700864).

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

2540254060416 is an equidigital number, since it uses as much as digits as its factorization.

2540254060416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7999931 (or 7999919 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 39.

Adding to 2540254060416 its reverse (6140604520452), we get a palindrome (8680858580868).

The spelling of 2540254060416 in words is "two trillion, five hundred forty billion, two hundred fifty-four million, sixty thousand, four hundred sixteen".