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34812685440 = 273551367257
BaseRepresentation
bin100000011010111111…
…110110110010000000
310022212011012122200000
4200122333312302000
51032244021413230
623554232400000
72341455641511
oct403277666200
9108764178600
1034812685440
1113844942915
1268b6846000
13338a48b670
1419836aaa08
15d8b3ceb60
hex81aff6c80

34812685440 has 768 divisors, whose sum is σ = 136788462720. Its totient is φ = 8408530944.

The previous prime is 34812685409. The next prime is 34812685469. The reversal of 34812685440 is 4458621843.

34812685440 is a `hidden beast` number, since 3 + 4 + 8 + 126 + 85 + 440 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 135457792 + ... + 135458048.

Almost surely, 234812685440 is an apocalyptic number.

34812685440 is a gapful number since it is divisible by the number (30) 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 34812685440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68394231360).

34812685440 is an abundant number, since it is smaller than the sum of its proper divisors (101975777280).

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

34812685440 is a wasteful number, since it uses less digits than its factorization.

34812685440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 371 (or 347 counting only the distinct ones).

The product of its (nonzero) digits is 737280, while the sum is 45.

The spelling of 34812685440 in words is "thirty-four billion, eight hundred twelve million, six hundred eighty-five thousand, four hundred forty".