404545544000 has 224 divisors, whose sum is σ = 1101892087296. Its totient is φ = 146190796800.

The previous prime is 404545543979. The next prime is 404545544033. The reversal of 404545544000 is 445545404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4846619 + ... + 4929381.

It is an arithmetic number, because the mean of its divisors is an integer number (4919161104).

Almost surely, 2^404545544000 is an apocalyptic number.

404545544000 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 404545544000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (550946043648).

404545544000 is an abundant number, since it is smaller than the sum of its proper divisors (697346543296).

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

404545544000 is a wasteful number, since it uses less digits than its factorization.

404545544000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82850 (or 82830 counting only the distinct ones).

The product of its (nonzero) digits is 128000, while the sum is 35.

The spelling of 404545544000 in words is "four hundred four billion, five hundred forty-five million, five hundred forty-four thousand".