27440678148 has 24 divisors (see below), whose sum is σ = 68953499328. Its totient is φ = 8443285536.

The previous prime is 27440678143. The next prime is 27440678191. The reversal of 27440678148 is 84187604472.

It is a super-3 number, since 3×27440678148³ (a number of 32 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 27440678148.

It is not an unprimeable number, because it can be changed into a prime (27440678143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87950736 + ... + 87951047.

It is an arithmetic number, because the mean of its divisors is an integer number (2873062472).

Almost surely, 2^27440678148 is an apocalyptic number.

It is an amenable number.

27440678148 is an abundant number, since it is smaller than the sum of its proper divisors (41512821180).

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

27440678148 is a wasteful number, since it uses less digits than its factorization.

27440678148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175901803 (or 175901801 counting only the distinct ones).

The product of its (nonzero) digits is 2408448, while the sum is 51.

The spelling of 27440678148 in words is "twenty-seven billion, four hundred forty million, six hundred seventy-eight thousand, one hundred forty-eight".