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440130000 = 2435417863
BaseRepresentation
bin11010001110111…
…101100111010000
31010200011220212010
4122032331213100
51400133130000
6111401302520
713623020562
oct3216754720
91120156763
10440130000
11206495202
12103494a40
137025236b
144264d332
152898dd50
hex1a3bd9d0

440130000 has 200 divisors, whose sum is σ = 1506117888. Its totient is φ = 110336000.

The previous prime is 440129969. The next prime is 440130011. The reversal of 440130000 is 31044.

It is a tau number, because it is divible by the number of its divisors (200).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 509569 + ... + 510431.

Almost surely, 2440130000 is an apocalyptic number.

440130000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 440130000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (753058944).

440130000 is an abundant number, since it is smaller than the sum of its proper divisors (1065987888).

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

440130000 is a wasteful number, since it uses less digits than its factorization.

440130000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 911 (or 890 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 440130000 is about 20979.2754879667. The cubic root of 440130000 is about 760.6653914157.

Adding to 440130000 its reverse (31044), we get a palindrome (440161044).

The spelling of 440130000 in words is "four hundred forty million, one hundred thirty thousand".