223340440464 has 30 divisors (see below), whose sum is σ = 625043038646. Its totient is φ = 74446813440.

The previous prime is 223340440397. The next prime is 223340440481. The reversal of 223340440464 is 464044043322.

223340440464 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 128229880464 + 95110560000 = 358092^2 + 308400^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 775487497 + ... + 775487784.

Almost surely, 2^223340440464 is an apocalyptic number.

223340440464 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

223340440464 is an abundant number, since it is smaller than the sum of its proper divisors (401702598182).

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

223340440464 is a wasteful number, since it uses less digits than its factorization.

223340440464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1550975295 (or 1550975286 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 36.

Adding to 223340440464 its reverse (464044043322), we get a palindrome (687384483786).

The spelling of 223340440464 in words is "two hundred twenty-three billion, three hundred forty million, four hundred forty thousand, four hundred sixty-four".