27450880650 has 144 divisors (see below), whose sum is σ = 77515663680. Its totient is φ = 6951225600.

The previous prime is 27450880637. The next prime is 27450880663. The reversal of 27450880650 is 5608805472.

27450880650 is a `hidden beast` number, since 2 + 7 + 4 + 508 + 80 + 65 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (27450880637) and next prime (27450880663).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 27450880596 and 27450880605.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1429110 + ... + 1448190.

It is an arithmetic number, because the mean of its divisors is an integer number (538303220).

Almost surely, 2^27450880650 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27450880650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38757831840).

27450880650 is an abundant number, since it is smaller than the sum of its proper divisors (50064783030).

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

27450880650 is a wasteful number, since it uses less digits than its factorization.

27450880650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19261 (or 19253 counting only the distinct ones).

The product of its (nonzero) digits is 537600, while the sum is 45.

The spelling of 27450880650 in words is "twenty-seven billion, four hundred fifty million, eight hundred eighty thousand, six hundred fifty".