444413454676550 has 72 divisors (see below), whose sum is σ = 896776162946784. Its totient is φ = 163748837117440.

The previous prime is 444413454676549. The next prime is 444413454676553. The reversal of 444413454676550 is 55676454314444.

It is a happy number.

It is a super-2 number, since 2×444413454676550² (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 (444413454676553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 326504429 + ... + 327862728.

It is an arithmetic number, because the mean of its divisors is an integer number (12455224485372).

Almost surely, 2^{444413454676550} is an apocalyptic number.

444413454676550 is an abundant number, since it is smaller than the sum of its proper divisors (452362708270234).

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

444413454676550 is a wasteful number, since it uses less digits than its factorization.

444413454676550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 654367250 (or 654367228 counting only the distinct ones).

The product of its (nonzero) digits is 387072000, while the sum is 62.

The spelling of 444413454676550 in words is "four hundred forty-four trillion, four hundred thirteen billion, four hundred fifty-four million, six hundred seventy-six thousand, five hundred fifty".