22091753139840 has 768 divisors, whose sum is σ = 80848156596480. Its totient is φ = 5547296882688.

The previous prime is 22091753139773. The next prime is 22091753139847. The reversal of 22091753139840 is 4893135719022.

22091753139840 is a `hidden beast` number, since 2 + 2 + 0 + 9 + 17 + 531 + 3 + 98 + 4 + 0 = 666.

It is not an unprimeable number, because it can be changed into a prime (22091753139847) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3221777692 + ... + 3221784548.

It is an arithmetic number, because the mean of its divisors is an integer number (105271037235).

Almost surely, 2^{22091753139840} is an apocalyptic number.

22091753139840 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 22091753139840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40424078298240).

22091753139840 is an abundant number, since it is smaller than the sum of its proper divisors (58756403456640).

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

22091753139840 is a wasteful number, since it uses less digits than its factorization.

22091753139840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7281 (or 7266 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 54.

The spelling of 22091753139840 in words is "twenty-two trillion, ninety-one billion, seven hundred fifty-three million, one hundred thirty-nine thousand, eight hundred forty".