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40442002040240 = 245673375081691
BaseRepresentation
bin10010011001000001000110…
…01010100110010110110000
312022012012212122202002201022
421030200203022212112300
520300100210010241430
6222002444345555012
711342560340305403
oct1114404312462660
9168165778662638
1040442002040240
11119823a1915a19
124651b207a5a68
131974883998248
149db590ab5d3a
154a1ec8c644e5
hex24c8232a65b0

40442002040240 has 40 divisors (see below), whose sum is σ = 94041621190608. Its totient is φ = 16174397986560.

The previous prime is 40442002040201. The next prime is 40442002040273. The reversal of 40442002040240 is 4204020024404.

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, 37002206 + ... + 38079485.

Almost surely, 240442002040240 is an apocalyptic number.

40442002040240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40442002040240 is an abundant number, since it is smaller than the sum of its proper divisors (53599619150368).

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

40442002040240 is a wasteful number, since it uses less digits than its factorization.

40442002040240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75088437 (or 75088431 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 26.

Adding to 40442002040240 its reverse (4204020024404), we get a palindrome (44646022064644).

The spelling of 40442002040240 in words is "forty trillion, four hundred forty-two billion, two million, forty thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 16 20 40 80 6733 13466 26932 33665 53864 67330 107728 134660 269320 538640 75081691 150163382 300326764 375408455 600653528 750816910 1201307056 1501633820 3003267640 6006535280 505525025503 1011050051006 2022100102012 2527625127515 4044200204024 5055250255030 8088400408048 10110500510060 20221001020120 40442002040240