22400173040 has 80 divisors (see below), whose sum is σ = 61572934080. Its totient is φ = 7415224320.

The previous prime is 22400173039. The next prime is 22400173129. The reversal of 22400173040 is 4037100422.

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 = 22400172997 and 22400173015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 673421 + ... + 705900.

It is an arithmetic number, because the mean of its divisors is an integer number (769661676).

Almost surely, 2^22400173040 is an apocalyptic number.

22400173040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22400173040 is an abundant number, since it is smaller than the sum of its proper divisors (39172761040).

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

22400173040 is a wasteful number, since it uses less digits than its factorization.

22400173040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1379370 (or 1379364 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 23.

Adding to 22400173040 its reverse (4037100422), we get a palindrome (26437273462).

The spelling of 22400173040 in words is "twenty-two billion, four hundred million, one hundred seventy-three thousand, forty".