27690447360 has 160 divisors (see below), whose sum is σ = 89975616192. Its totient is φ = 7262945280.

The previous prime is 27690447359. The next prime is 27690447397. The reversal of 27690447360 is 6374409672.

It is a tau number, because it is divible by the number of its divisors (160).

It is a Harshad number since it is a multiple of its sum of digits (48).

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, 438927 + ... + 498033.

Almost surely, 2^27690447360 is an apocalyptic number.

27690447360 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 27690447360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44987808096).

27690447360 is an abundant number, since it is smaller than the sum of its proper divisors (62285168832).

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

27690447360 is an equidigital number, since it uses as much as digits as its factorization.

27690447360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59194 (or 59178 counting only the distinct ones).

The product of its (nonzero) digits is 1524096, while the sum is 48.

The spelling of 27690447360 in words is "twenty-seven billion, six hundred ninety million, four hundred forty-seven thousand, three hundred sixty".