8540025267405 has 32 divisors (see below), whose sum is σ = 13997550365568. Its totient is φ = 4443513984000.

The previous prime is 8540025267391. The next prime is 8540025267461. The reversal of 8540025267405 is 5047625200458.

It is not a de Polignac number, because 8540025267405 - 2⁶ = 8540025267341 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 61613430 + ... + 61751880.

It is an arithmetic number, because the mean of its divisors is an integer number (437423448924).

Almost surely, 2^{8540025267405} is an apocalyptic number.

It is an amenable number.

8540025267405 is a deficient number, since it is larger than the sum of its proper divisors (5457525098163).

8540025267405 is a wasteful number, since it uses less digits than its factorization.

8540025267405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238797.

The product of its (nonzero) digits is 2688000, while the sum is 48.

The spelling of 8540025267405 in words is "eight trillion, five hundred forty billion, twenty-five million, two hundred sixty-seven thousand, four hundred five".