27425772339840 has 256 divisors, whose sum is σ = 111009079008000. Its totient is φ = 6268747935744.

The previous prime is 27425772339827. The next prime is 27425772339851. The reversal of 27425772339840 is 4893327752472.

It is a happy number.

27425772339840 is a `hidden beast` number, since 2 + 7 + 4 + 2 + 577 + 23 + 39 + 8 + 4 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

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, 113246155 + ... + 113488074.

It is an arithmetic number, because the mean of its divisors is an integer number (433629214875).

Almost surely, 2^{27425772339840} is an apocalyptic number.

27425772339840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27425772339840 is an abundant number, since it is smaller than the sum of its proper divisors (83583306668160).

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

27425772339840 is a wasteful number, since it uses less digits than its factorization.

27425772339840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226734264 (or 226734246 counting only the distinct ones).

The product of its (nonzero) digits is 142248960, while the sum is 63.

The spelling of 27425772339840 in words is "twenty-seven trillion, four hundred twenty-five billion, seven hundred seventy-two million, three hundred thirty-nine thousand, eight hundred forty".