22651201565040 has 160 divisors (see below), whose sum is σ = 70391003616000. Its totient is φ = 6025515317248.

The previous prime is 22651201565021. The next prime is 22651201565071. The reversal of 22651201565040 is 4056510215622.

It is a self number, because there is not a number n which added to its sum of digits gives 22651201565040.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 202488964 + ... + 202600796.

It is an arithmetic number, because the mean of its divisors is an integer number (439943772600).

Almost surely, 2^{22651201565040} is an apocalyptic number.

22651201565040 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 22651201565040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35195501808000).

22651201565040 is an abundant number, since it is smaller than the sum of its proper divisors (47739802050960).

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

22651201565040 is a wasteful number, since it uses less digits than its factorization.

22651201565040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113911 (or 113905 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 39.

The spelling of 22651201565040 in words is "twenty-two trillion, six hundred fifty-one billion, two hundred one million, five hundred sixty-five thousand, forty".