27144940 has 24 divisors (see below), whose sum is σ = 57202992. Its totient is φ = 10820160.

The previous prime is 27144919. The next prime is 27144941. The reversal of 27144940 is 4944172.

It is not an unprimeable number, because it can be changed into a prime (27144941) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3930 + ... + 8350.

It is an arithmetic number, because the mean of its divisors is an integer number (2383458).

Almost surely, 2^27144940 is an apocalyptic number.

27144940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27144940 is an abundant number, since it is smaller than the sum of its proper divisors (30058052).

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

27144940 is a wasteful number, since it uses less digits than its factorization.

27144940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4737 (or 4735 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 27144940 is about 5210.0806135798. The cubic root of 27144940 is about 300.5358571022.

The spelling of 27144940 in words is "twenty-seven million, one hundred forty-four thousand, nine hundred forty".