444020451332152 has 8 divisors (see below), whose sum is σ = 832538346247800. Its totient is φ = 222010225666072.

The previous prime is 444020451332149. The next prime is 444020451332153. The reversal of 444020451332152 is 251233154020444.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×444020451332152² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444020451332153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27751278208252 + ... + 27751278208267.

It is an arithmetic number, because the mean of its divisors is an integer number (104067293280975).

Almost surely, 2^{444020451332152} is an apocalyptic number.

It is an amenable number.

444020451332152 is a deficient number, since it is larger than the sum of its proper divisors (388517894915648).

444020451332152 is a wasteful number, since it uses less digits than its factorization.

444020451332152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55502556416525 (or 55502556416521 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 40.

The spelling of 444020451332152 in words is "four hundred forty-four trillion, twenty billion, four hundred fifty-one million, three hundred thirty-two thousand, one hundred fifty-two".