22727255136340 has 96 divisors (see below), whose sum is σ = 49112643250944. Its totient is φ = 8827980825600.

The previous prime is 22727255136319. The next prime is 22727255136347. The reversal of 22727255136340 is 4363155272722.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22727255136347) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2698233369 + ... + 2698241791.

It is an arithmetic number, because the mean of its divisors is an integer number (511590033864).

Almost surely, 2^{22727255136340} is an apocalyptic number.

22727255136340 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 22727255136340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24556321625472).

22727255136340 is an abundant number, since it is smaller than the sum of its proper divisors (26385388114604).

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

22727255136340 is a wasteful number, since it uses less digits than its factorization.

22727255136340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15137 (or 15135 counting only the distinct ones).

The product of its (nonzero) digits is 4233600, while the sum is 49.

The spelling of 22727255136340 in words is "twenty-two trillion, seven hundred twenty-seven billion, two hundred fifty-five million, one hundred thirty-six thousand, three hundred forty".