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40605125265 = 3251098278313
BaseRepresentation
bin100101110100010000…
…010000101010010001
310212210211201002022100
4211310100100222101
51131124403002030
630353112431013
72635142604255
oct456420205221
9125724632270
1040605125265
1116247597671
127a526a8469
133aa1553c53
141d72aca265
1510c9bb8360
hex974410a91

40605125265 has 24 divisors (see below), whose sum is σ = 71027934120. Its totient is φ = 21457384704.

The previous prime is 40605125261. The next prime is 40605125273. The reversal of 40605125265 is 56252150604.

40605125265 is a `hidden beast` number, since 4 + 0 + 605 + 1 + 25 + 26 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 19090396224 + 21514729041 = 138168^2 + 146679^2 .

It is not a de Polignac number, because 40605125265 - 22 = 40605125261 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40605125261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4134252 + ... + 4144061.

It is an arithmetic number, because the mean of its divisors is an integer number (2959497255).

Almost surely, 240605125265 is an apocalyptic number.

40605125265 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

40605125265 is a deficient number, since it is larger than the sum of its proper divisors (30422808855).

40605125265 is a wasteful number, since it uses less digits than its factorization.

40605125265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8278433 (or 8278430 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

Adding to 40605125265 its reverse (56252150604), we get a palindrome (96857275869).

The spelling of 40605125265 in words is "forty billion, six hundred five million, one hundred twenty-five thousand, two hundred sixty-five".

Divisors: 1 3 5 9 15 45 109 327 545 981 1635 4905 8278313 24834939 41391565 74504817 124174695 372524085 902336117 2707008351 4511680585 8121025053 13535041755 40605125265