27359648991990 has 72 divisors (see below), whose sum is σ = 82748979209520. Its totient is φ = 6253634054304.

The previous prime is 27359648991977. The next prime is 27359648991991. The reversal of 27359648991990 is 9919984695372.

27359648991990 is a `hidden beast` number, since 2 + 7 + 3 + 596 + 4 + 8 + 9 + 9 + 19 + 9 + 0 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27359648991991) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 3101996610 + ... + 3102005429.

It is an arithmetic number, because the mean of its divisors is an integer number (1149291377910).

It is a 1-persistent number, because it is pandigital, but 2⋅27359648991990 = 54719297983980 is not.

Almost surely, 2^{27359648991990} is an apocalyptic number.

27359648991990 is an abundant number, since it is smaller than the sum of its proper divisors (55389330217530).

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

27359648991990 is a wasteful number, since it uses less digits than its factorization.

27359648991990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6204002066 (or 6204002056 counting only the distinct ones).

The product of its (nonzero) digits is 2380855680, while the sum is 81.

The spelling of 27359648991990 in words is "twenty-seven trillion, three hundred fifty-nine billion, six hundred forty-eight million, nine hundred ninety-one thousand, nine hundred ninety".