441354544378 has 12 divisors (see below), whose sum is σ = 727687864890. Its totient is φ = 200615701880.

The previous prime is 441354544331. The next prime is 441354544403. The reversal of 441354544378 is 873445453144.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 425165290209 + 16189254169 = 652047^2 + 127237^2 .

It is a super-2 number, since 2×441354544378² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 911889313 + ... + 911889796.

Almost surely, 2^441354544378 is an apocalyptic number.

441354544378 is a deficient number, since it is larger than the sum of its proper divisors (286333320512).

441354544378 is a wasteful number, since it uses less digits than its factorization.

441354544378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1823779133 (or 1823779122 counting only the distinct ones).

The product of its digits is 12902400, while the sum is 52.

The spelling of 441354544378 in words is "four hundred forty-one billion, three hundred fifty-four million, five hundred forty-four thousand, three hundred seventy-eight".