27140564445 has 32 divisors (see below), whose sum is σ = 43876639872. Its totient is φ = 14324673792.

The previous prime is 27140564389. The next prime is 27140564491. The reversal of 27140564445 is 54446504172.

It is not a de Polignac number, because 27140564445 - 2⁷ = 27140564317 is a prime.

It is a super-2 number, since 2×27140564445² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 27140564397 and 27140564406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1617519 + ... + 1634211.

It is an arithmetic number, because the mean of its divisors is an integer number (1371144996).

Almost surely, 2^27140564445 is an apocalyptic number.

It is an amenable number.

27140564445 is a deficient number, since it is larger than the sum of its proper divisors (16736075427).

27140564445 is a wasteful number, since it uses less digits than its factorization.

27140564445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17821.

The product of its (nonzero) digits is 537600, while the sum is 42.

The spelling of 27140564445 in words is "twenty-seven billion, one hundred forty million, five hundred sixty-four thousand, four hundred forty-five".