22679787040 has 144 divisors (see below), whose sum is σ = 57326979528. Its totient is φ = 8449753088.

The previous prime is 22679787037. The next prime is 22679787049. The reversal of 22679787040 is 4078797622.

It can be written as a sum of positive squares in 12 ways, for example, as 2295943056 + 20383843984 = 47916^2 + 142772^2 .

It is not an unprimeable number, because it can be changed into a prime (22679787049) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34731354 + ... + 34732006.

Almost surely, 2^22679787040 is an apocalyptic number.

22679787040 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 22679787040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28663489764).

22679787040 is an abundant number, since it is smaller than the sum of its proper divisors (34647192488).

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

22679787040 is a wasteful number, since it uses less digits than its factorization.

22679787040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 911 (or 790 counting only the distinct ones).

The product of its (nonzero) digits is 2370816, while the sum is 52.

The spelling of 22679787040 in words is "twenty-two billion, six hundred seventy-nine million, seven hundred eighty-seven thousand, forty".