27061440 has 112 divisors (see below), whose sum is σ = 98218752. Its totient is φ = 6183936.

The previous prime is 27061439. The next prime is 27061451. The reversal of 27061440 is 4416072.

It is a tau number, because it is divible by the number of its divisors (112).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 27061440.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4707 + ... + 8733.

Almost surely, 2^27061440 is an apocalyptic number.

27061440 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 27061440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49109376).

27061440 is an abundant number, since it is smaller than the sum of its proper divisors (71157312).

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

27061440 is a wasteful number, since it uses less digits than its factorization.

27061440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4054 (or 4044 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 27061440 is about 5202.0611299753. The cubic root of 27061440 is about 300.2273831683.

The spelling of 27061440 in words is "twenty-seven million, sixty-one thousand, four hundred forty".