4394160252 has 72 divisors (see below), whose sum is σ = 11736322416. Its totient is φ = 1437067008.

The previous prime is 4394160247. The next prime is 4394160259. The reversal of 4394160252 is 2520614934.

It is a happy number.

4394160252 is a `hidden beast` number, since 4 + 3 + 9 + 41 + 602 + 5 + 2 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4394160259) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8868 + ... + 94164.

It is an arithmetic number, because the mean of its divisors is an integer number (163004478).

Almost surely, 2^4394160252 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 4394160252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5868161208).

4394160252 is an abundant number, since it is smaller than the sum of its proper divisors (7342162164).

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

4394160252 is a wasteful number, since it uses less digits than its factorization.

4394160252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85369 (or 85355 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 4394160252 is about 66288.4624350271. The cubic root of 4394160252 is about 1637.9172763440.

The spelling of 4394160252 in words is "four billion, three hundred ninety-four million, one hundred sixty thousand, two hundred fifty-two".