22403112211440 has 200 divisors, whose sum is σ = 77964029545248. Its totient is φ = 5962285324800.

The previous prime is 22403112211397. The next prime is 22403112211463. The reversal of 22403112211440 is 4411221130422.

22403112211440 is a `hidden beast` number, since 2 + 2 + 4 + 0 + 3 + 1 + 1 + 2 + 211 + 440 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 177211 + ... + 6696090.

Almost surely, 2^{22403112211440} is an apocalyptic number.

22403112211440 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 22403112211440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38982014772624).

22403112211440 is an abundant number, since it is smaller than the sum of its proper divisors (55560917333808).

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

22403112211440 is a wasteful number, since it uses less digits than its factorization.

22403112211440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6873829 (or 6873814 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

Adding to 22403112211440 its reverse (4411221130422), we get a palindrome (26814333341862).

The spelling of 22403112211440 in words is "twenty-two trillion, four hundred three billion, one hundred twelve million, two hundred eleven thousand, four hundred forty".