27895256940 has 48 divisors (see below), whose sum is σ = 78222205152. Its totient is φ = 7427736576.

The previous prime is 27895256887. The next prime is 27895256941. The reversal of 27895256940 is 4965259872.

It is not an unprimeable number, because it can be changed into a prime (27895256941) 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, 302749 + ... + 383988.

It is an arithmetic number, because the mean of its divisors is an integer number (1629629274).

Almost surely, 2^27895256940 is an apocalyptic number.

27895256940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27895256940 is an abundant number, since it is smaller than the sum of its proper divisors (50326948212).

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

27895256940 is a wasteful number, since it uses less digits than its factorization.

27895256940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 687426 (or 687424 counting only the distinct ones).

The product of its (nonzero) digits is 10886400, while the sum is 57.

The spelling of 27895256940 in words is "twenty-seven billion, eight hundred ninety-five million, two hundred fifty-six thousand, nine hundred forty".