27245400314895 has 72 divisors (see below), whose sum is σ = 55449041014224. Its totient is φ = 12338637792768.

The previous prime is 27245400314833. The next prime is 27245400314897. The reversal of 27245400314895 is 59841300454272.

It is a happy number.

27245400314895 is a `hidden beast` number, since 2 + 7 + 2 + 4 + 5 + 400 + 3 + 148 + 95 = 666.

It is not a de Polignac number, because 27245400314895 - 2¹¹ = 27245400312847 is a prime.

It is a super-2 number, since 2×27245400314895² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27245400314897) by changing a digit.

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 71 ways as a sum of consecutive naturals, for example, 57503274 + ... + 57975143.

It is an arithmetic number, because the mean of its divisors is an integer number (770125569642).

Almost surely, 2^{27245400314895} is an apocalyptic number.

27245400314895 is an abundant number, since it is smaller than the sum of its proper divisors (28203640699329).

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

27245400314895 is a wasteful number, since it uses less digits than its factorization.

27245400314895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115478549 (or 115478539 counting only the distinct ones).

The product of its (nonzero) digits is 9676800, while the sum is 54.

The spelling of 27245400314895 in words is "twenty-seven trillion, two hundred forty-five billion, four hundred million, three hundred fourteen thousand, eight hundred ninety-five".