44202144 has 48 divisors (see below), whose sum is σ = 132608448. Its totient is φ = 12628992.

The previous prime is 44202133. The next prime is 44202149. The reversal of 44202144 is 44120244.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 44202144.

It is not an unprimeable number, because it can be changed into a prime (44202149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32217 + ... + 33560.

It is an arithmetic number, because the mean of its divisors is an integer number (2762676).

Almost surely, 2^44202144 is an apocalyptic number.

It is an amenable number.

44202144 is an abundant number, since it is smaller than the sum of its proper divisors (88406304).

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

44202144 is a wasteful number, since it uses less digits than its factorization.

44202144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65797 (or 65789 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 21.

The square root of 44202144 is about 6648.4692975150. The cubic root of 44202144 is about 353.5746431180.

Adding to 44202144 its reverse (44120244), we get a palindrome (88322388).

The spelling of 44202144 in words is "forty-four million, two hundred two thousand, one hundred forty-four".