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41405440 = 21058087
BaseRepresentation
bin1001110111110…
…0110000000000
32212220121120211
42131330300000
541044433230
64035243504
71011640366
oct235746000
985817524
1041405440
112141057a
1211a49594
13876947b
1456db636
15397d42a
hex277cc00

41405440 has 44 divisors (see below), whose sum is σ = 99336816. Its totient is φ = 16560128.

The previous prime is 41405437. The next prime is 41405471. The reversal of 41405440 is 4450414.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1077 + ... + 9163.

Almost surely, 241405440 is an apocalyptic number.

41405440 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 41405440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49668408).

41405440 is an abundant number, since it is smaller than the sum of its proper divisors (57931376).

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

41405440 is an equidigital number, since it uses as much as digits as its factorization.

41405440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8112 (or 8094 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 22.

The square root of 41405440 is about 6434.7058984852. The cubic root of 41405440 is about 345.9546199965.

Adding to 41405440 its reverse (4450414), we get a palindrome (45855854).

The spelling of 41405440 in words is "forty-one million, four hundred five thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 128 160 256 320 512 640 1024 1280 2560 5120 8087 16174 32348 40435 64696 80870 129392 161740 258784 323480 517568 646960 1035136 1293920 2070272 2587840 4140544 5175680 8281088 10351360 20702720 41405440