Search a number
-
+
40080456 = 23321342821
BaseRepresentation
bin1001100011100…
…1010001001000
32210102022001100
42120321101020
540230033311
63551021400
7664451433
oct230712110
983368040
1040080456
1120696049
121150a860
1383c4360
14547481a
1537baa56
hex2639448

40080456 has 48 divisors (see below), whose sum is σ = 116904060. Its totient is φ = 12332160.

The previous prime is 40080449. The next prime is 40080457. The reversal of 40080456 is 65408004.

It can be written as a sum of positive squares in 2 ways, for example, as 31472100 + 8608356 = 5610^2 + 2934^2 .

It is not an unprimeable number, because it can be changed into a prime (40080457) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20475 + ... + 22346.

Almost surely, 240080456 is an apocalyptic number.

It is an amenable number.

40080456 is an abundant number, since it is smaller than the sum of its proper divisors (76823604).

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

40080456 is a wasteful number, since it uses less digits than its factorization.

40080456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42846 (or 42839 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 40080456 is about 6330.9127304047. The cubic root of 40080456 is about 342.2243321459.

The spelling of 40080456 in words is "forty million, eighty thousand, four hundred fifty-six".

Divisors: 1 2 3 4 6 8 9 12 13 18 24 26 36 39 52 72 78 104 117 156 234 312 468 936 42821 85642 128463 171284 256926 342568 385389 513852 556673 770778 1027704 1113346 1541556 1670019 2226692 3083112 3340038 4453384 5010057 6680076 10020114 13360152 20040228 40080456