5213670444 has 144 divisors (see below), whose sum is σ = 13807711008. Its totient is φ = 1657304064.

The previous prime is 5213670443. The next prime is 5213670457. The reversal of 5213670444 is 4440763125.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 5213670399 and 5213670408.

It is not an unprimeable number, because it can be changed into a prime (5213670443) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 22376152 + ... + 22376384.

It is an arithmetic number, because the mean of its divisors is an integer number (95886882).

Almost surely, 2^5213670444 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 5213670444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6903855504).

5213670444 is an abundant number, since it is smaller than the sum of its proper divisors (8594040564).

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

5213670444 is a wasteful number, since it uses less digits than its factorization.

5213670444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 544 (or 539 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 36.

The square root of 5213670444 is about 72205.7507682041. The cubic root of 5213670444 is about 1733.9950710859.

The spelling of 5213670444 in words is "five billion, two hundred thirteen million, six hundred seventy thousand, four hundred forty-four".