544621212 has 96 divisors (see below), whose sum is σ = 1449369600. Its totient is φ = 176795136.

The previous prime is 544621211. The next prime is 544621223. The reversal of 544621212 is 212126445.

544621212 is a `hidden beast` number, since 5 + 446 + 2 + 1 + 212 = 666.

It is a super-2 number, since 2×544621212² = 593224529120697888, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (544621211) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 808908 + ... + 809580.

It is an arithmetic number, because the mean of its divisors is an integer number (15097600).

Almost surely, 2^544621212 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 544621212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (724684800).

544621212 is an abundant number, since it is smaller than the sum of its proper divisors (904748388).

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

544621212 is a wasteful number, since it uses less digits than its factorization.

544621212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 872 (or 864 counting only the distinct ones).

The product of its digits is 3840, while the sum is 27.

The square root of 544621212 is about 23337.1209021164. The cubic root of 544621212 is about 816.6416341811.

Adding to 544621212 its reverse (212126445), we get a palindrome (756747657).

The spelling of 544621212 in words is "five hundred forty-four million, six hundred twenty-one thousand, two hundred twelve".