44400412224 has 112 divisors (see below), whose sum is σ = 149176028800. Its totient is φ = 12685828608.

The previous prime is 44400412223. The next prime is 44400412229. The reversal of 44400412224 is 42221400444.

It is a tau number, because it is divible by the number of its divisors (112).

It is a super-2 number, since 2×44400412224² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (44400412223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1823239 + ... + 1847430.

Almost surely, 2^44400412224 is an apocalyptic number.

It is an amenable number.

44400412224 is an abundant number, since it is smaller than the sum of its proper divisors (104775616576).

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

44400412224 is a wasteful number, since it uses less digits than its factorization.

44400412224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3670697 (or 3670681 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 27.

Adding to 44400412224 its reverse (42221400444), we get a palindrome (86621812668).

The spelling of 44400412224 in words is "forty-four billion, four hundred million, four hundred twelve thousand, two hundred twenty-four".