440652245221 has 4 divisors (see below), whose sum is σ = 446858614944. Its totient is φ = 434445875500.

The previous prime is 440652245197. The next prime is 440652245311. The reversal of 440652245221 is 122542256044.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 440652245221 - 2³⁵ = 406292506853 is a prime.

It is a super-5 number, since 5×440652245221⁵ (a number of 59 digits) contains 55555 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440652248221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3103184755 + ... + 3103184896.

It is an arithmetic number, because the mean of its divisors is an integer number (111714653736).

Almost surely, 2^440652245221 is an apocalyptic number.

It is an amenable number.

440652245221 is a deficient number, since it is larger than the sum of its proper divisors (6206369723).

440652245221 is an equidigital number, since it uses as much as digits as its factorization.

440652245221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6206369722.

The product of its (nonzero) digits is 153600, while the sum is 37.

The spelling of 440652245221 in words is "four hundred forty billion, six hundred fifty-two million, two hundred forty-five thousand, two hundred twenty-one".