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409642241088 = 263195911316843
BaseRepresentation
bin1011111011000001001…
…01001000110001000000
31110011100200010222011010
411331200211020301000
523202421403203323
6512104222520520
741411213412033
oct5754045106100
91404320128133
10409642241088
11148801402893
1267484436140
132c824186b42
1415b809d901a
15a9c8188c93
hex5f60948c40

409642241088 has 224 divisors, whose sum is σ = 1170563673600. Its totient is φ = 126035288064.

The previous prime is 409642241081. The next prime is 409642241101. The reversal of 409642241088 is 880142246904.

It is a happy number.

It is a Cunningham number, because it is equal to 6400332-1.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (409642241081) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24312795 + ... + 24329637.

Almost surely, 2409642241088 is an apocalyptic number.

409642241088 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 409642241088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (585281836800).

409642241088 is an abundant number, since it is smaller than the sum of its proper divisors (760921432512).

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

409642241088 is a wasteful number, since it uses less digits than its factorization.

409642241088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17049 (or 17039 counting only the distinct ones).

The product of its (nonzero) digits is 884736, while the sum is 48.

The spelling of 409642241088 in words is "four hundred nine billion, six hundred forty-two million, two hundred forty-one thousand, eighty-eight".