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424212011440 = 2457757521449
BaseRepresentation
bin1100010110001010000…
…00011001100110110000
31111112222001201222201021
412023011000121212300
523422241233331230
6522514051345224
742435240413440
oct6130500314660
91445861658637
10424212011440
111539a8691a08
126a26b8b2214
1331006838c29
1416763a2a120
15b07c317c7a
hex62c50199b0

424212011440 has 40 divisors (see below), whose sum is σ = 1127191917600. Its totient is φ = 145444118016.

The previous prime is 424212011437. The next prime is 424212011459. The reversal of 424212011440 is 44110212424.

It is a happy number.

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, 378760165 + ... + 378761284.

It is an arithmetic number, because the mean of its divisors is an integer number (28179797940).

Almost surely, 2424212011440 is an apocalyptic number.

424212011440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

424212011440 is an abundant number, since it is smaller than the sum of its proper divisors (702979906160).

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

424212011440 is a wasteful number, since it uses less digits than its factorization.

424212011440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 757521469 (or 757521463 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 25.

Adding to 424212011440 its reverse (44110212424), we get a palindrome (468322223864).

The spelling of 424212011440 in words is "four hundred twenty-four billion, two hundred twelve million, eleven thousand, four hundred forty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 35 40 56 70 80 112 140 280 560 757521449 1515042898 3030085796 3787607245 5302650143 6060171592 7575214490 10605300286 12120343184 15150428980 21210600572 26513250715 30300857960 42421201144 53026501430 60601715920 84842402288 106053002860 212106005720 424212011440