27122040 has 160 divisors (see below), whose sum is σ = 99578160. Its totient is φ = 6566400.

The previous prime is 27122009. The next prime is 27122057. The reversal of 27122040 is 4022172.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 35260 + ... + 36020.

Almost surely, 2^27122040 is an apocalyptic number.

27122040 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 27122040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49789080).

27122040 is an abundant number, since it is smaller than the sum of its proper divisors (72456120).

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

27122040 is a wasteful number, since it uses less digits than its factorization.

27122040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 795 (or 782 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 18.

The square root of 27122040 is about 5207.8824871535. The cubic root of 27122040 is about 300.4513206916.

The spelling of 27122040 in words is "twenty-seven million, one hundred twenty-two thousand, forty".