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404222130144440 = 23538925978285999
BaseRepresentation
bin101101111101000110100110…
…0011110100100010010111000
31222000020020222021000022122122
41123322031030132210102320
5410440233410304110230
63551413025532540412
7151100041132003136
oct13372151436442270
91860206867008578
10404222130144440
11107885708465533
1239404b59621708
1314471ca2453a7a
1471b6653c06756
1531aeb2a2e7be5
hex16fa34c7a44b8

404222130144440 has 32 divisors (see below), whose sum is σ = 911837838600000. Its totient is φ = 161273199475584.

The previous prime is 404222130144379. The next prime is 404222130144491. The reversal of 404222130144440 is 44441031222404.

It is a self number, because there is not a number n which added to its sum of digits gives 404222130144440.

It is a congruent number.

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, 12989127440 + ... + 12989158559.

It is an arithmetic number, because the mean of its divisors is an integer number (28494932456250).

Almost surely, 2404222130144440 is an apocalyptic number.

404222130144440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

404222130144440 is an abundant number, since it is smaller than the sum of its proper divisors (507615708455560).

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

404222130144440 is a wasteful number, since it uses less digits than its factorization.

404222130144440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25978286399 (or 25978286395 counting only the distinct ones).

The product of its (nonzero) digits is 98304, while the sum is 35.

Adding to 404222130144440 its reverse (44441031222404), we get a palindrome (448663161366844).

The spelling of 404222130144440 in words is "four hundred four trillion, two hundred twenty-two billion, one hundred thirty million, one hundred forty-four thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 20 40 389 778 1556 1945 3112 3890 7780 15560 25978285999 51956571998 103913143996 129891429995 207826287992 259782859990 519565719980 1039131439960 10105553253611 20211106507222 40422213014444 50527766268055 80844426028888 101055532536110 202111065072220 404222130144440