44213420 has 48 divisors (see below), whose sum is σ = 95709600. Its totient is φ = 17149440.

The previous prime is 44213419. The next prime is 44213423. The reversal of 44213420 is 2431244.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 44213392 and 44213401.

It is not an unprimeable number, because it can be changed into a prime (44213423) 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 15 ways as a sum of consecutive naturals, for example, 104810 + ... + 105230.

It is an arithmetic number, because the mean of its divisors is an integer number (1993950).

Almost surely, 2^44213420 is an apocalyptic number.

It is an amenable number.

44213420 is an abundant number, since it is smaller than the sum of its proper divisors (51496180).

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

44213420 is a wasteful number, since it uses less digits than its factorization.

44213420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 578 (or 576 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 44213420 is about 6649.3172581852. The cubic root of 44213420 is about 353.6047062804.

Adding to 44213420 its reverse (2431244), we get a palindrome (46644664).

The spelling of 44213420 in words is "forty-four million, two hundred thirteen thousand, four hundred twenty".