44721252 has 36 divisors (see below), whose sum is σ = 115454976. Its totient is φ = 14589360.

The previous prime is 44721221. The next prime is 44721253. The reversal of 44721252 is 25212744.

44721252 is a `hidden beast` number, since 447 + 212 + 5 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (44721253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11524 + ... + 14907.

Almost surely, 2^44721252 is an apocalyptic number.

It is an amenable number.

44721252 is an abundant number, since it is smaller than the sum of its proper divisors (70733724).

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

44721252 is a wasteful number, since it uses less digits than its factorization.

44721252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26488 (or 26483 counting only the distinct ones).

The product of its digits is 4480, while the sum is 27.

The square root of 44721252 is about 6687.3950085216. The cubic root of 44721252 is about 354.9533814337.

Adding to 44721252 its reverse (25212744), we get a palindrome (69933996).

The spelling of 44721252 in words is "forty-four million, seven hundred twenty-one thousand, two hundred fifty-two".