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40081846210560 = 2123257211236677
BaseRepresentation
bin10010001110100010010000…
…01101001001000000000000
312020220210020210000022002100
421013101020031021000000
520223200110112214220
6221125202420350400
711304550341255300
oct1107211015110000
9166823223008070
1040081846210560
1111853685288500
1245b4169245400
13194991804bc5b
149c7d86519600
1549794a320d90
hex247448349000

40081846210560 has 1404 divisors, whose sum is σ = 177649369898364. Its totient is φ = 8328468234240.

The previous prime is 40081846210559. The next prime is 40081846210613. The reversal of 40081846210560 is 6501264818004.

It is a happy number.

40081846210560 is a `hidden beast` number, since 4 + 0 + 0 + 8 + 1 + 84 + 6 + 2 + 1 + 0 + 560 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 29599170822144 + 10482675388416 = 5440512^2 + 3237696^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 1092814942 + ... + 1092851618.

It is an arithmetic number, because the mean of its divisors is an integer number (126530890241).

Almost surely, 240081846210560 is an apocalyptic number.

40081846210560 is a gapful number since it is divisible by the number (40) 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 40081846210560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88824684949182).

40081846210560 is an abundant number, since it is smaller than the sum of its proper divisors (137567523687804).

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

40081846210560 is a wasteful number, since it uses less digits than its factorization.

40081846210560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36748 (or 36705 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 45.

The spelling of 40081846210560 in words is "forty trillion, eighty-one billion, eight hundred forty-six million, two hundred ten thousand, five hundred sixty".