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40204402404 = 22361229239843
BaseRepresentation
bin100101011100010111…
…100111111011100100
310211202220200020212220
4211130113213323210
51124314311334104
630245235512340
72622205532115
oct453427477344
9124686606786
1040204402404
1116061378651
1279604586b0
133a3951b62a
141d357b820c
1510a49107d9
hex95c5e7ee4

40204402404 has 48 divisors (see below), whose sum is σ = 95764912320. Its totient is φ = 13124154240.

The previous prime is 40204402397. The next prime is 40204402457. The reversal of 40204402404 is 40420440204.

It is a super-3 number, since 3×402044024043 (a number of 33 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47707 + ... + 287549.

It is an arithmetic number, because the mean of its divisors is an integer number (1995102340).

Almost surely, 240204402404 is an apocalyptic number.

It is an amenable number.

40204402404 is an abundant number, since it is smaller than the sum of its proper divisors (55560509916).

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

40204402404 is a wasteful number, since it uses less digits than its factorization.

40204402404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240140 (or 240138 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 24.

Adding to 40204402404 its reverse (40420440204), we get a palindrome (80624842608).

The spelling of 40204402404 in words is "forty billion, two hundred four million, four hundred two thousand, four hundred four".

Divisors: 1 2 3 4 6 12 61 122 183 229 244 366 458 687 732 916 1374 2748 13969 27938 41907 55876 83814 167628 239843 479686 719529 959372 1439058 2878116 14630423 29260846 43891269 54924047 58521692 87782538 109848094 164772141 175565076 219696188 329544282 659088564 3350366867 6700733734 10051100601 13401467468 20102201202 40204402404