27244396494 has 224 divisors, whose sum is σ = 73508359680. Its totient is φ = 7401087936.

The previous prime is 27244396493. The next prime is 27244396519. The reversal of 27244396494 is 49469344272.

27244396494 is a `hidden beast` number, since 2 + 7 + 24 + 43 + 96 + 494 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 27244396494.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27244396493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 65022217 + ... + 65022635.

It is an arithmetic number, because the mean of its divisors is an integer number (328162320).

Almost surely, 2^27244396494 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27244396494, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36754179840).

27244396494 is an abundant number, since it is smaller than the sum of its proper divisors (46263963186).

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

27244396494 is a wasteful number, since it uses less digits than its factorization.

27244396494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 746 (or 731 counting only the distinct ones).

The product of its digits is 10450944, while the sum is 54.

The spelling of 27244396494 in words is "twenty-seven billion, two hundred forty-four million, three hundred ninety-six thousand, four hundred ninety-four".