22368789840 has 160 divisors (see below), whose sum is σ = 74123755776. Its totient is φ = 5566443520.

The previous prime is 22368789811. The next prime is 22368789869. The reversal of 22368789840 is 4898786322.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (22368789811) and next prime (22368789869).

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, 176902 + ... + 275738.

Almost surely, 2^22368789840 is an apocalyptic number.

22368789840 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 22368789840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37061877888).

22368789840 is an abundant number, since it is smaller than the sum of its proper divisors (51754965936).

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

22368789840 is a wasteful number, since it uses less digits than its factorization.

22368789840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98917 (or 98911 counting only the distinct ones).

The product of its (nonzero) digits is 9289728, while the sum is 57.

The spelling of 22368789840 in words is "twenty-two billion, three hundred sixty-eight million, seven hundred eighty-nine thousand, eight hundred forty".