444435500000 has 84 divisors (see below), whose sum is σ = 1093715219016. Its totient is φ = 177774000000.

The previous prime is 444435499993. The next prime is 444435500111. The reversal of 444435500000 is 5534444.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 55565 + ... + 944435.

It is an arithmetic number, because the mean of its divisors is an integer number (13020419274).

Almost surely, 2^444435500000 is an apocalyptic number.

444435500000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 444435500000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (546857609508).

444435500000 is an abundant number, since it is smaller than the sum of its proper divisors (649279719016).

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

444435500000 is an frugal number, since it uses more digits than its factorization.

444435500000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 888911 (or 888878 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 29.

The spelling of 444435500000 in words is "four hundred forty-four billion, four hundred thirty-five million, five hundred thousand".