27195894340 has 48 divisors (see below), whose sum is σ = 62190273600. Its totient is φ = 9950435712.

The previous prime is 27195894317. The next prime is 27195894343. The reversal of 27195894340 is 4349859172.

It is not an unprimeable number, because it can be changed into a prime (27195894343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1222914 + ... + 1244953.

It is an arithmetic number, because the mean of its divisors is an integer number (1295630700).

Almost surely, 2^27195894340 is an apocalyptic number.

27195894340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27195894340 is an abundant number, since it is smaller than the sum of its proper divisors (34994379260).

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

27195894340 is a wasteful number, since it uses less digits than its factorization.

27195894340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2467924 (or 2467922 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 52.

The spelling of 27195894340 in words is "twenty-seven billion, one hundred ninety-five million, eight hundred ninety-four thousand, three hundred forty".