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40204221330 = 23571314726821
BaseRepresentation
bin100101011100010110…
…111011101110010010
310211202220100001111110
4211130112323232102
51124314240040310
630245231554150
72622204146160
oct453426735622
9124686301443
1040204221330
11160612645a9
12796038b956
133a394870a0
141d3576c230
1510a48c6d20
hex95c5bbb92

40204221330 has 64 divisors (see below), whose sum is σ = 118757092608. Its totient is φ = 8482648320.

The previous prime is 40204221319. The next prime is 40204221359. The reversal of 40204221330 is 3312240204.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 40204221297 and 40204221306.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7360681 + ... + 7366140.

It is an arithmetic number, because the mean of its divisors is an integer number (1855579572).

Almost surely, 240204221330 is an apocalyptic number.

40204221330 is an abundant number, since it is smaller than the sum of its proper divisors (78552871278).

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

40204221330 is a wasteful number, since it uses less digits than its factorization.

40204221330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14726851.

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 40204221330 its reverse (3312240204), we get a palindrome (43516461534).

The spelling of 40204221330 in words is "forty billion, two hundred four million, two hundred twenty-one thousand, three hundred thirty".

Divisors: 1 2 3 5 6 7 10 13 14 15 21 26 30 35 39 42 65 70 78 91 105 130 182 195 210 273 390 455 546 910 1365 2730 14726821 29453642 44180463 73634105 88360926 103087747 147268210 191448673 206175494 220902315 309263241 382897346 441804630 515438735 574346019 618526482 957243365 1030877470 1148692038 1340140711 1546316205 1914486730 2680281422 2871730095 3092632410 4020422133 5743460190 6700703555 8040844266 13401407110 20102110665 40204221330