4398212544 has 252 divisors, whose sum is σ = 13284028296. Its totient is φ = 1283251200.

The previous prime is 4398212543. The next prime is 4398212561. The reversal of 4398212544 is 4452128934.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 4398212496 and 4398212505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4398212543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 22325854 + ... + 22326050.

It is an arithmetic number, because the mean of its divisors is an integer number (52714398).

Almost surely, 2^4398212544 is an apocalyptic number.

4398212544 is a gapful number since it is divisible by the number (44) 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 4398212544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6642014148).

4398212544 is an abundant number, since it is smaller than the sum of its proper divisors (8885815752).

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

4398212544 is a wasteful number, since it uses less digits than its factorization.

4398212544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296 (or 244 counting only the distinct ones).

The product of its digits is 276480, while the sum is 42.

The square root of 4398212544 is about 66319.0209819174. The cubic root of 4398212544 is about 1638.4206170984.

The spelling of 4398212544 in words is "four billion, three hundred ninety-eight million, two hundred twelve thousand, five hundred forty-four".