210442549044 has 192 divisors, whose sum is σ = 632636669952. Its totient is φ = 52953868800.

The previous prime is 210442549043. The next prime is 210442549063. The reversal of 210442549044 is 440945244012.

It is a super-3 number, since 3×210442549044³ (a number of 35 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a junction number, because it is equal to n+sod(n) for n = 210442548993 and 210442549011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210442549043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2359714 + ... + 2447270.

It is an arithmetic number, because the mean of its divisors is an integer number (3294982656).

Almost surely, 2^210442549044 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 210442549044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (316318334976).

210442549044 is an abundant number, since it is smaller than the sum of its proper divisors (422194120908).

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

210442549044 is a wasteful number, since it uses less digits than its factorization.

210442549044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87686 (or 87684 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 39.

The spelling of 210442549044 in words is "two hundred ten billion, four hundred forty-two million, five hundred forty-nine thousand, forty-four".