27023736136320 has 2048 divisors, whose sum is σ = 123975368294400. Its totient is φ = 5400428544000.

The previous prime is 27023736136303. The next prime is 27023736136379. The reversal of 27023736136320 is 2363163732072.

It is a happy number.

27023736136320 is a `hidden beast` number, since 2 + 7 + 0 + 2 + 3 + 7 + 3 + 6 + 1 + 3 + 632 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 3873256672 + ... + 3873263648.

It is an arithmetic number, because the mean of its divisors is an integer number (60534847800).

Almost surely, 2^{27023736136320} is an apocalyptic number.

27023736136320 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 27023736136320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61987684147200).

27023736136320 is an abundant number, since it is smaller than the sum of its proper divisors (96951632158080).

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

27023736136320 is a wasteful number, since it uses less digits than its factorization.

27023736136320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7135 (or 7117 counting only the distinct ones).

The product of its (nonzero) digits is 1143072, while the sum is 45.

Adding to 27023736136320 its reverse (2363163732072), we get a palindrome (29386899868392).

The spelling of 27023736136320 in words is "twenty-seven trillion, twenty-three billion, seven hundred thirty-six million, one hundred thirty-six thousand, three hundred twenty".