44040220 has 36 divisors (see below), whose sum is σ = 107586360. Its totient is φ = 15099168.

The previous prime is 44040187. The next prime is 44040253. The reversal of 44040220 is 2204044.

It is an interprime number because it is at equal distance from previous prime (44040187) and next prime (44040253).

It is a junction number, because it is equal to n+sod(n) for n = 44040194 and 44040203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21490 + ... + 23449.

It is an arithmetic number, because the mean of its divisors is an integer number (2988510).

Almost surely, 2^44040220 is an apocalyptic number.

It is an amenable number.

44040220 is an abundant number, since it is smaller than the sum of its proper divisors (63546140).

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

44040220 is a wasteful number, since it uses less digits than its factorization.

44040220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44962 (or 44953 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 16.

The square root of 44040220 is about 6636.2805847854. The cubic root of 44040220 is about 353.1423694174.

Adding to 44040220 its reverse (2204044), we get a palindrome (46244264).

The spelling of 44040220 in words is "forty-four million, forty thousand, two hundred twenty".