2540639595315 has 8 divisors (see below), whose sum is σ = 4065023352528. Its totient is φ = 1355007784160.

The previous prime is 2540639595313. The next prime is 2540639595317. The reversal of 2540639595315 is 5135959360452.

It is an interprime number because it is at equal distance from previous prime (2540639595313) and next prime (2540639595317).

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

It is not a de Polignac number, because 2540639595315 - 2¹ = 2540639595313 is a prime.

It is a super-4 number, since 4×2540639595315⁴ (a number of 51 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (2540639595313) 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, 84687986496 + ... + 84687986525.

It is an arithmetic number, because the mean of its divisors is an integer number (508127919066).

Almost surely, 2^{2540639595315} is an apocalyptic number.

2540639595315 is a deficient number, since it is larger than the sum of its proper divisors (1524383757213).

2540639595315 is a wasteful number, since it uses less digits than its factorization.

2540639595315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169375973029.

The product of its (nonzero) digits is 21870000, while the sum is 57.

The spelling of 2540639595315 in words is "two trillion, five hundred forty billion, six hundred thirty-nine million, five hundred ninety-five thousand, three hundred fifteen".