44421300 has 216 divisors, whose sum is σ = 173863872. Its totient is φ = 9216000.

The previous prime is 44421287. The next prime is 44421347. The reversal of 44421300 is 312444.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 68980 + ... + 69620.

Almost surely, 2^44421300 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 44421300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86931936).

44421300 is an abundant number, since it is smaller than the sum of its proper divisors (129442572).

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

44421300 is a wasteful number, since it uses less digits than its factorization.

44421300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 679 (or 669 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 44421300 is about 6664.9306072907. The cubic root of 44421300 is about 354.1580257792.

Adding to 44421300 its reverse (312444), we get a palindrome (44733744).

The spelling of 44421300 in words is "forty-four million, four hundred twenty-one thousand, three hundred".