22844471440 has 40 divisors (see below), whose sum is σ = 60701025600. Its totient is φ = 7832390016.

The previous prime is 22844471357. The next prime is 22844471467. The reversal of 22844471440 is 4417444822.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 22844471393 and 22844471402.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20396290 + ... + 20397409.

It is an arithmetic number, because the mean of its divisors is an integer number (1517525640).

Almost surely, 2^22844471440 is an apocalyptic number.

22844471440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22844471440 is an abundant number, since it is smaller than the sum of its proper divisors (37856554160).

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

22844471440 is a wasteful number, since it uses less digits than its factorization.

22844471440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40793719 (or 40793713 counting only the distinct ones).

The product of its (nonzero) digits is 229376, while the sum is 40.

The spelling of 22844471440 in words is "twenty-two billion, eight hundred forty-four million, four hundred seventy-one thousand, four hundred forty".