44472420 has 36 divisors (see below), whose sum is σ = 134900220. Its totient is φ = 11859264.

The previous prime is 44472401. The next prime is 44472427. The reversal of 44472420 is 2427444.

It can be written as a sum of positive squares in 2 ways, for example, as 14791716 + 29680704 = 3846^2 + 5448^2 .

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

It is a super-2 number, since 2×44472420² = 3955592281312800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (44472427) 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, 123355 + ... + 123714.

Almost surely, 2^44472420 is an apocalyptic number.

It is an amenable number.

44472420 is an abundant number, since it is smaller than the sum of its proper divisors (90427800).

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

44472420 is a wasteful number, since it uses less digits than its factorization.

44472420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247084 (or 247079 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 27.

The square root of 44472420 is about 6668.7645032645. The cubic root of 44472420 is about 354.2938286321.

Adding to 44472420 its reverse (2427444), we get a palindrome (46899864).

The spelling of 44472420 in words is "forty-four million, four hundred seventy-two thousand, four hundred twenty".