44212740 has 96 divisors (see below), whose sum is σ = 145466496. Its totient is φ = 9891840.

The previous prime is 44212723. The next prime is 44212747. The reversal of 44212740 is 4721244.

It is a self number, because there is not a number n which added to its sum of digits gives 44212740.

It is not an unprimeable number, because it can be changed into a prime (44212747) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6004 + ... + 11156.

It is an arithmetic number, because the mean of its divisors is an integer number (1515276).

Almost surely, 2^44212740 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 44212740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72733248).

44212740 is an abundant number, since it is smaller than the sum of its proper divisors (101253756).

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

44212740 is a wasteful number, since it uses less digits than its factorization.

44212740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5189 (or 5187 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 24.

The square root of 44212740 is about 6649.2661249194. The cubic root of 44212740 is about 353.6028934640.

Adding to 44212740 its reverse (4721244), we get a palindrome (48933984).

The spelling of 44212740 in words is "forty-four million, two hundred twelve thousand, seven hundred forty".