22435444440 has 96 divisors (see below), whose sum is σ = 73379807280. Its totient is φ = 5944663296.

The previous prime is 22435444411. The next prime is 22435444441. The reversal of 22435444440 is 4444453422.

22435444440 is a `hidden beast` number, since 224 + 354 + 4 + 44 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 22435444395 and 22435444404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22435444441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 141954 + ... + 254993.

Almost surely, 2^22435444440 is an apocalyptic number.

22435444440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22435444440 is an abundant number, since it is smaller than the sum of its proper divisors (50944362840).

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

22435444440 is a wasteful number, since it uses less digits than its factorization.

22435444440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397121 (or 397114 counting only the distinct ones).

The product of its (nonzero) digits is 245760, while the sum is 36.

Adding to 22435444440 its reverse (4444453422), we get a palindrome (26879897862).

The spelling of 22435444440 in words is "twenty-two billion, four hundred thirty-five million, four hundred forty-four thousand, four hundred forty".