27450765000 has 160 divisors (see below), whose sum is σ = 95285124000. Its totient is φ = 7320168000.

The previous prime is 27450764993. The next prime is 27450765007. The reversal of 27450765000 is 56705472.

It is an interprime number because it is at equal distance from previous prime (27450764993) and next prime (27450765007).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (27450765007) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 33331 + ... + 236669.

It is an arithmetic number, because the mean of its divisors is an integer number (595532025).

Almost surely, 2^27450765000 is an apocalyptic number.

27450765000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27450765000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47642562000).

27450765000 is an abundant number, since it is smaller than the sum of its proper divisors (67834359000).

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

27450765000 is a wasteful number, since it uses less digits than its factorization.

27450765000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203374 (or 203349 counting only the distinct ones).

The product of its (nonzero) digits is 58800, while the sum is 36.

The spelling of 27450765000 in words is "twenty-seven billion, four hundred fifty million, seven hundred sixty-five thousand".