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4021441413220 = 2257114789624271
BaseRepresentation
bin111010100001010000100…
…101100100000001100100
3112020110001011111100101201
4322201100211210001210
51011341403000210340
612315231421532244
7563353032004660
oct72412045440144
915213034440351
104021441413220
111310535925790
1254b470714084
132322b2cc19aa
14dc8d2c378a0
156e91854b79a
hex3a850964064

4021441413220 has 192 divisors, whose sum is σ = 10873719521280. Its totient is φ = 1212981580800.

The previous prime is 4021441413217. The next prime is 4021441413221. The reversal of 4021441413220 is 223141441204.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (4021441413221) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6129685 + ... + 6753955.

It is an arithmetic number, because the mean of its divisors is an integer number (56633955840).

Almost surely, 24021441413220 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 4021441413220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5436859760640).

4021441413220 is an abundant number, since it is smaller than the sum of its proper divisors (6852278108060).

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

4021441413220 is a wasteful number, since it uses less digits than its factorization.

4021441413220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 624434 (or 624432 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 4021441413220 its reverse (223141441204), we get a palindrome (4244582854424).

The spelling of 4021441413220 in words is "four trillion, twenty-one billion, four hundred forty-one million, four hundred thirteen thousand, two hundred twenty".