223044101440 has 112 divisors (see below), whose sum is σ = 541311906960. Its totient is φ = 87522508800.

The previous prime is 223044101429. The next prime is 223044101479. The reversal of 223044101440 is 44101440322.

It can be written as a sum of positive squares in 8 ways, for example, as 55854704896 + 167189396544 = 236336^2 + 408888^2 .

It is a super-3 number, since 3×223044101440³ (a number of 35 digits) contains 333 as substring.

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, 3491224 + ... + 3554536.

Almost surely, 2^223044101440 is an apocalyptic number.

223044101440 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 223044101440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (270655953480).

223044101440 is an abundant number, since it is smaller than the sum of its proper divisors (318267805520).

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

223044101440 is a wasteful number, since it uses less digits than its factorization.

223044101440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63540 (or 63530 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 223044101440 its reverse (44101440322), we get a palindrome (267145541762).

The spelling of 223044101440 in words is "two hundred twenty-three billion, forty-four million, one hundred one thousand, four hundred forty".