22032012453440 has 224 divisors, whose sum is σ = 59229300245760. Its totient is φ = 7732426956800.

The previous prime is 22032012453431. The next prime is 22032012453467. The reversal of 22032012453440 is 4435421023022.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a junction number, because it is equal to n+sod(n) for n = 22032012453397 and 22032012453406.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 276699074 + ... + 276778686.

Almost surely, 2^{22032012453440} is an apocalyptic number.

22032012453440 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 22032012453440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29614650122880).

22032012453440 is an abundant number, since it is smaller than the sum of its proper divisors (37197287792320).

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

22032012453440 is a wasteful number, since it uses less digits than its factorization.

22032012453440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82381 (or 82371 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 32.

Adding to 22032012453440 its reverse (4435421023022), we get a palindrome (26467433476462).

The spelling of 22032012453440 in words is "twenty-two trillion, thirty-two billion, twelve million, four hundred fifty-three thousand, four hundred forty".