27447383040 has 704 divisors, whose sum is σ = 114322821120. Its totient is φ = 5449973760.

The previous prime is 27447383027. The next prime is 27447383053. The reversal of 27447383040 is 4038374472.

It is an interprime number because it is at equal distance from previous prime (27447383027) and next prime (27447383053).

It is a tau number, because it is divible by the number of its divisors (704).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 27447382983 and 27447383001.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 27202056 + ... + 27203064.

Almost surely, 2^27447383040 is an apocalyptic number.

27447383040 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 27447383040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57161410560).

27447383040 is an abundant number, since it is smaller than the sum of its proper divisors (86875438080).

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

27447383040 is a wasteful number, since it uses less digits than its factorization.

27447383040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1078 (or 1060 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 42.

The spelling of 27447383040 in words is "twenty-seven billion, four hundred forty-seven million, three hundred eighty-three thousand, forty".