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4490855980 = 2251323374131
BaseRepresentation
bin1000010111010110…
…10000011000101100
3102120222100010021021
410023223100120230
533144124342410
62021342343524
7216200434402
oct41353203054
912528303237
104490855980
1119a4a75626
12a53b8aba4
13567524740
14308609472
151b43d3eda
hex10bad062c

4490855980 has 48 divisors (see below), whose sum is σ = 10199970144. Its totient is φ = 1651023360.

The previous prime is 4490855939. The next prime is 4490855989. The reversal of 4490855980 is 895580944.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is not an unprimeable number, because it can be changed into a prime (4490855989) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23515 + ... + 97645.

It is an arithmetic number, because the mean of its divisors is an integer number (212499378).

Almost surely, 24490855980 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 4490855980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5099985072).

4490855980 is an abundant number, since it is smaller than the sum of its proper divisors (5709114164).

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

4490855980 is a wasteful number, since it uses less digits than its factorization.

4490855980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74386 (or 74384 counting only the distinct ones).

The product of its (nonzero) digits is 2073600, while the sum is 52.

The square root of 4490855980 is about 67013.8491656762. The cubic root of 4490855980 is about 1649.8446110171.

The spelling of 4490855980 in words is "four billion, four hundred ninety million, eight hundred fifty-five thousand, nine hundred eighty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 233 260 466 932 1165 2330 3029 4660 6058 12116 15145 30290 60580 74131 148262 296524 370655 741310 963703 1482620 1927406 3854812 4818515 9637030 17272523 19274060 34545046 69090092 86362615 172725230 224542799 345450460 449085598 898171196 1122713995 2245427990 4490855980