544421450633632 has 384 divisors, whose sum is σ = 1324854694437120. Its totient is φ = 216897777008640.

The previous prime is 544421450633587. The next prime is 544421450633663. The reversal of 544421450633632 is 236336054124445.

It is a super-2 number, since 2×544421450633632² (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a self number, because there is not a number n which added to its sum of digits gives 544421450633632.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1136489268 + ... + 1136968204.

It is an arithmetic number, because the mean of its divisors is an integer number (3450142433430).

Almost surely, 2^{544421450633632} is an apocalyptic number.

544421450633632 is a gapful number since it is divisible by the number (52) 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 544421450633632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (662427347218560).

544421450633632 is an abundant number, since it is smaller than the sum of its proper divisors (780433243803488).

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

544421450633632 is a wasteful number, since it uses less digits than its factorization.

544421450633632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 479176 (or 479168 counting only the distinct ones).

The product of its (nonzero) digits is 24883200, while the sum is 52.

The spelling of 544421450633632 in words is "five hundred forty-four trillion, four hundred twenty-one billion, four hundred fifty million, six hundred thirty-three thousand, six hundred thirty-two".