44004206420 has 24 divisors (see below), whose sum is σ = 92415700104. Its totient is φ = 17600374656.

The previous prime is 44004206387. The next prime is 44004206423. The reversal of 44004206420 is 2460240044.

It can be written as a sum of positive squares in 4 ways, for example, as 468549316 + 43535657104 = 21646^2 + 208652^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 44004206420.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44004206423) 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, 221594 + ... + 370286.

It is an arithmetic number, because the mean of its divisors is an integer number (3850654171).

Almost surely, 2^44004206420 is an apocalyptic number.

It is an amenable number.

44004206420 is an abundant number, since it is smaller than the sum of its proper divisors (48411493684).

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

44004206420 is a wasteful number, since it uses less digits than its factorization.

44004206420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163499 (or 163497 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 44004206420 its reverse (2460240044), we get a palindrome (46464446464).

The spelling of 44004206420 in words is "forty-four billion, four million, two hundred six thousand, four hundred twenty".