27773158040 has 128 divisors (see below), whose sum is σ = 67231296000. Its totient is φ = 10294502400.

The previous prime is 27773158031. The next prime is 27773158051. The reversal of 27773158040 is 4085137772.

It is a junction number, because it is equal to n+sod(n) for n = 27773157982 and 27773158000.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7066796 + ... + 7070724.

It is an arithmetic number, because the mean of its divisors is an integer number (525244500).

Almost surely, 2^27773158040 is an apocalyptic number.

27773158040 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 27773158040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33615648000).

27773158040 is an abundant number, since it is smaller than the sum of its proper divisors (39458137960).

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

27773158040 is a wasteful number, since it uses less digits than its factorization.

27773158040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4161 (or 4157 counting only the distinct ones).

The product of its (nonzero) digits is 329280, while the sum is 44.

The spelling of 27773158040 in words is "twenty-seven billion, seven hundred seventy-three million, one hundred fifty-eight thousand, forty".