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2240440244420 = 2257109714588099
BaseRepresentation
bin100000100110100100101…
…001010001100011000100
321221011222010120210202212
4200212210221101203010
5243201410200310140
64433124413522552
7320603124601220
oct40464451214304
97834863523685
102240440244420
11794190123194
12302266aa3458
13133370bc8251
147a61b7bb780
153d42b8eb765
hex209a4a518c4

2240440244420 has 48 divisors (see below), whose sum is σ = 5381958556800. Its totient is φ = 767450659584.

The previous prime is 2240440244363. The next prime is 2240440244423. The reversal of 2240440244420 is 244420440422.

It is a super-2 number, since 2×22404402444202 (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2240440244423) 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, 7140470 + ... + 7447629.

It is an arithmetic number, because the mean of its divisors is an integer number (112124136600).

Almost surely, 22240440244420 is an apocalyptic number.

2240440244420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2240440244420 is an abundant number, since it is smaller than the sum of its proper divisors (3141518312380).

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

2240440244420 is a wasteful number, since it uses less digits than its factorization.

2240440244420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14589212 (or 14589210 counting only the distinct ones).

The product of its (nonzero) digits is 65536, while the sum is 32.

Adding to 2240440244420 its reverse (244420440422), we get a palindrome (2484860684842).

The spelling of 2240440244420 in words is "two trillion, two hundred forty billion, four hundred forty million, two hundred forty-four thousand, four hundred twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 1097 2194 4388 5485 7679 10970 15358 21940 30716 38395 76790 153580 14588099 29176198 58352396 72940495 102116693 145880990 204233386 291761980 408466772 510583465 1021166930 2042333860 16003144603 32006289206 64012578412 80015723015 112022012221 160031446030 224044024442 320062892060 448088048884 560110061105 1120220122210 2240440244420