27423278236368 has 360 divisors, whose sum is σ = 95692179669632. Its totient is φ = 7175017967616.

The previous prime is 27423278236273. The next prime is 27423278236429. The reversal of 27423278236368 is 86363287232472.

27423278236368 is a `hidden beast` number, since 2 + 7 + 4 + 2 + 32 + 7 + 8 + 236 + 368 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 9506421 + ... + 12050667.

Almost surely, 2^{27423278236368} is an apocalyptic number.

27423278236368 is a gapful number since it is divisible by the number (28) 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 27423278236368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47846089834816).

27423278236368 is an abundant number, since it is smaller than the sum of its proper divisors (68268901433264).

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

27423278236368 is a wasteful number, since it uses less digits than its factorization.

27423278236368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2544339 (or 2544313 counting only the distinct ones).

The product of its digits is 195084288, while the sum is 63.

The spelling of 27423278236368 in words is "twenty-seven trillion, four hundred twenty-three billion, two hundred seventy-eight million, two hundred thirty-six thousand, three hundred sixty-eight".