2540884630521 has 8 divisors (see below), whose sum is σ = 3408630507040. Its totient is φ = 1683530920512.

The previous prime is 2540884630511. The next prime is 2540884630553. The reversal of 2540884630521 is 1250364880452.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2540884630521 - 2¹¹ = 2540884628473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2540884630511) 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 7 ways as a sum of consecutive naturals, for example, 2598041056 + ... + 2598042033.

It is an arithmetic number, because the mean of its divisors is an integer number (426078813380).

Almost surely, 2^{2540884630521} is an apocalyptic number.

It is an amenable number.

2540884630521 is a deficient number, since it is larger than the sum of its proper divisors (867745876519).

2540884630521 is a wasteful number, since it uses less digits than its factorization.

2540884630521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5196083255.

The product of its (nonzero) digits is 1843200, while the sum is 48.

The spelling of 2540884630521 in words is "two trillion, five hundred forty billion, eight hundred eighty-four million, six hundred thirty thousand, five hundred twenty-one".