27650139748 has 48 divisors (see below), whose sum is σ = 61177310208. Its totient is φ = 10621044000.

The previous prime is 27650139731. The next prime is 27650139757. The reversal of 27650139748 is 84793105672.

It is a junction number, because it is equal to n+sod(n) for n = 27650139695 and 27650139704.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 610338 + ... + 654073.

It is an arithmetic number, because the mean of its divisors is an integer number (1274527296).

It is a 1-persistent number, because it is pandigital, but 2⋅27650139748 = 55300279496 is not.

Almost surely, 2^27650139748 is an apocalyptic number.

27650139748 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

27650139748 is an abundant number, since it is smaller than the sum of its proper divisors (33527170460).

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

27650139748 is a wasteful number, since it uses less digits than its factorization.

27650139748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1264504 (or 1264502 counting only the distinct ones).

The product of its (nonzero) digits is 2540160, while the sum is 52.

The spelling of 27650139748 in words is "twenty-seven billion, six hundred fifty million, one hundred thirty-nine thousand, seven hundred forty-eight".