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441223472340 = 2232572145334429
BaseRepresentation
bin1100110101110101111…
…01111110010011010100
31120011212121210202000200
412122322331332103110
524212111202103330
6534410102140500
743606633430400
oct6327275762324
91504777722020
10441223472340
11160138169302
1271618a21730
13327b8012b21
14174d9050100
15b725a05a60
hex66baf7e4d4

441223472340 has 216 divisors, whose sum is σ = 1558005288840. Its totient is φ = 100778743296.

The previous prime is 441223472329. The next prime is 441223472341. The reversal of 441223472340 is 43274322144.

441223472340 is a `hidden beast` number, since 4 + 4 + 12 + 234 + 72 + 340 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 82216386756 + 359007085584 = 286734^2 + 599172^2 .

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 = 441223472295 and 441223472304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (441223472341) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 12798246 + ... + 12832674.

Almost surely, 2441223472340 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 441223472340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (779002644420).

441223472340 is an abundant number, since it is smaller than the sum of its proper divisors (1116781816500).

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

441223472340 is a wasteful number, since it uses less digits than its factorization.

441223472340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35911 (or 35899 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 36.

Adding to 441223472340 its reverse (43274322144), we get a palindrome (484497794484).

The spelling of 441223472340 in words is "four hundred forty-one billion, two hundred twenty-three million, four hundred seventy-two thousand, three hundred forty".