Search a number
-
+
10400410407440 = 245635320463581
BaseRepresentation
bin1001011101011000100011…
…0001001001001000010000
31100211021021111001110222202
42113112020301021020100
52330400020031014230
634041514345422332
72122255602554414
oct227261061111020
940737244043882
1010400410407440
11334a87559a619
1211bb80449a9a8
135a59a68102b1
1427d54da04d44
151308128a8a45
hex97588c49210

10400410407440 has 40 divisors (see below), whose sum is σ = 24184761605208. Its totient is φ = 4159509125120.

The previous prime is 10400410407437. The next prime is 10400410407469. The reversal of 10400410407440 is 4470401400401.

It can be written as a sum of positive squares in 4 ways, for example, as 258580386064 + 10141830021376 = 508508^2 + 3184624^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9723551 + ... + 10740030.

Almost surely, 210400410407440 is an apocalyptic number.

10400410407440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10400410407440 is an abundant number, since it is smaller than the sum of its proper divisors (13784351197768).

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

10400410407440 is a wasteful number, since it uses less digits than its factorization.

10400410407440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20469947 (or 20469941 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 29.

Adding to 10400410407440 its reverse (4470401400401), we get a palindrome (14870811807841).

The spelling of 10400410407440 in words is "ten trillion, four hundred billion, four hundred ten million, four hundred seven thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 16 20 40 80 6353 12706 25412 31765 50824 63530 101648 127060 254120 508240 20463581 40927162 81854324 102317905 163708648 204635810 327417296 409271620 818543240 1637086480 130005130093 260010260186 520020520372 650025650465 1040041040744 1300051300930 2080082081488 2600102601860 5200205203720 10400410407440