22703984640 has 416 divisors, whose sum is σ = 85002921600. Its totient is φ = 5733089280.

The previous prime is 22703984629. The next prime is 22703984683. The reversal of 22703984640 is 4648930722.

It is a Harshad number since it is a multiple of its sum of digits (45).

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, 10505160 + ... + 10507320.

Almost surely, 2^22703984640 is an apocalyptic number.

22703984640 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 22703984640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42501460800).

22703984640 is an abundant number, since it is smaller than the sum of its proper divisors (62298936960).

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

22703984640 is a wasteful number, since it uses less digits than its factorization.

22703984640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2218 (or 2190 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 45.

The spelling of 22703984640 in words is "twenty-two billion, seven hundred three million, nine hundred eighty-four thousand, six hundred forty".