27641814672 has 40 divisors (see below), whose sum is σ = 71610354144. Its totient is φ = 9187830784.

The previous prime is 27641814661. The next prime is 27641814703.

27641814672 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×27641814672² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 798738 + ... + 832625.

Almost surely, 2^27641814672 is an apocalyptic number.

It is an amenable number.

27641814672 is an abundant number, since it is smaller than the sum of its proper divisors (43968539472).

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

27641814672 is a wasteful number, since it uses less digits than its factorization.

27641814672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1631727 (or 1631721 counting only the distinct ones).

The product of its digits is 903168, while the sum is 48.

The spelling of 27641814672 in words is "twenty-seven billion, six hundred forty-one million, eight hundred fourteen thousand, six hundred seventy-two".