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41145244240 = 245514315553
BaseRepresentation
bin100110010100011100…
…101001101001010000
310221012111000222020211
4212110130221221100
51133231140303430
630522445213504
72654421543202
oct462434515120
9127174028224
1041145244240
11164a4465a91
127b83561294
133b59414a89
141dc4726772
15110c30872a
hex994729a50

41145244240 has 20 divisors (see below), whose sum is σ = 95662693044. Its totient is φ = 16458097664.

The previous prime is 41145244229. The next prime is 41145244247. The reversal of 41145244240 is 4244254114.

It can be written as a sum of positive squares in 2 ways, for example, as 30615200784 + 10530043456 = 174972^2 + 102616^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×411452442402 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41145244247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 257157697 + ... + 257157856.

Almost surely, 241145244240 is an apocalyptic number.

41145244240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

41145244240 is an abundant number, since it is smaller than the sum of its proper divisors (54517448804).

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

41145244240 is a wasteful number, since it uses less digits than its factorization.

41145244240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 514315566 (or 514315560 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 31.

Adding to 41145244240 its reverse (4244254114), we get a palindrome (45389498354).

The spelling of 41145244240 in words is "forty-one billion, one hundred forty-five million, two hundred forty-four thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 16 20 40 80 514315553 1028631106 2057262212 2571577765 4114524424 5143155530 8229048848 10286311060 20572622120 41145244240