22856013040 has 80 divisors (see below), whose sum is σ = 60788395008. Its totient is φ = 7829031168.

The previous prime is 22856013013. The next prime is 22856013043. The reversal of 22856013040 is 4031065822.

It is a tau number, because it is divible by the number of its divisors (80).

It is a junction number, because it is equal to n+sod(n) for n = 22856012993 and 22856013011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22856013043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 599179 + ... + 636181.

Almost surely, 2^22856013040 is an apocalyptic number.

22856013040 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 22856013040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30394197504).

22856013040 is an abundant number, since it is smaller than the sum of its proper divisors (37932381968).

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

22856013040 is a wasteful number, since it uses less digits than its factorization.

22856013040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38126 (or 38120 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

Adding to 22856013040 its reverse (4031065822), we get a palindrome (26887078862).

The spelling of 22856013040 in words is "twenty-two billion, eight hundred fifty-six million, thirteen thousand, forty".