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42408377240 = 2352693941299
BaseRepresentation
bin100111011111101111…
…000111101110011000
311001110111211202222112
4213133233013232120
51143323021032430
631252050411452
73030630154535
oct473757075630
9131414752875
1042408377240
1116a92472559
128276590b88
133ccb012258
1420a43abd8c
151183165195
hex9dfbc7b98

42408377240 has 32 divisors (see below), whose sum is σ = 95773590000. Its totient is φ = 16900285824.

The previous prime is 42408377203. The next prime is 42408377243. The reversal of 42408377240 is 4277380424.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42408377243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1959890 + ... + 1981409.

Almost surely, 242408377240 is an apocalyptic number.

42408377240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42408377240 is an abundant number, since it is smaller than the sum of its proper divisors (53365212760).

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

42408377240 is a wasteful number, since it uses less digits than its factorization.

42408377240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3941579 (or 3941575 counting only the distinct ones).

The product of its (nonzero) digits is 301056, while the sum is 41.

The spelling of 42408377240 in words is "forty-two billion, four hundred eight million, three hundred seventy-seven thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 20 40 269 538 1076 1345 2152 2690 5380 10760 3941299 7882598 15765196 19706495 31530392 39412990 78825980 157651960 1060209431 2120418862 4240837724 5301047155 8481675448 10602094310 21204188620 42408377240