27439625809416 has 64 divisors (see below), whose sum is σ = 73339491139200. Its totient is φ = 8524932277248.

The previous prime is 27439625809381. The next prime is 27439625809471. The reversal of 27439625809416 is 61490852693472.

It is a super-2 number, since 2×27439625809416² (a number of 28 digits) contains 22 as substring.

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 15 ways as a sum of consecutive naturals, for example, 326433631 + ... + 326517678.

It is an arithmetic number, because the mean of its divisors is an integer number (1145929549050).

It is a 1-persistent number, because it is pandigital, but 2⋅27439625809416 = 54879251618832 is not.

Almost surely, 2^{27439625809416} is an apocalyptic number.

It is an amenable number.

27439625809416 is an abundant number, since it is smaller than the sum of its proper divisors (45899865329784).

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

27439625809416 is a wasteful number, since it uses less digits than its factorization.

27439625809416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 652951438 (or 652951434 counting only the distinct ones).

The product of its (nonzero) digits is 156764160, while the sum is 66.

The spelling of 27439625809416 in words is "twenty-seven trillion, four hundred thirty-nine billion, six hundred twenty-five million, eight hundred nine thousand, four hundred sixteen".