444420043420 has 12 divisors (see below), whose sum is σ = 933282091224. Its totient is φ = 177768017360.

The previous prime is 444420043339. The next prime is 444420043433. The reversal of 444420043420 is 24340024444.

It is a super-3 number, since 3×444420043420³ (a number of 36 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 3 ways as a sum of consecutive naturals, for example, 11110501066 + ... + 11110501105.

It is an arithmetic number, because the mean of its divisors is an integer number (77773507602).

Almost surely, 2^444420043420 is an apocalyptic number.

It is an amenable number.

444420043420 is an abundant number, since it is smaller than the sum of its proper divisors (488862047804).

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

444420043420 is a wasteful number, since it uses less digits than its factorization.

444420043420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22221002180 (or 22221002178 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 31.

Adding to 444420043420 its reverse (24340024444), we get a palindrome (468760067864).

The spelling of 444420043420 in words is "four hundred forty-four billion, four hundred twenty million, forty-three thousand, four hundred twenty".