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80331863040 = 210325111373167
BaseRepresentation
bin100101011010000100…
…1101111010000000000
321200100110120110111200
41022310021233100000
52304004424104130
6100523130341200
75542461366222
oct1126411572000
9250313513450
1080331863040
1131083273760
121369ab8a800
137762b0a890
143c60c84412
1521526c3760
hex12b426f400

80331863040 has 1056 divisors, whose sum is σ = 333474575616. Its totient is φ = 17623941120.

The previous prime is 80331863011. The next prime is 80331863063. The reversal of 80331863040 is 4036813308.

It is a happy number.

80331863040 is a `hidden beast` number, since 8 + 0 + 3 + 3 + 18 + 630 + 4 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (1056).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 80331862986 and 80331863004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 481029037 + ... + 481029203.

Almost surely, 280331863040 is an apocalyptic number.

80331863040 is a gapful number since it is divisible by the number (80) 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 80331863040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (166737287808).

80331863040 is an abundant number, since it is smaller than the sum of its proper divisors (253142712576).

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

80331863040 is a wasteful number, since it uses less digits than its factorization.

80331863040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295 (or 274 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The spelling of 80331863040 in words is "eighty billion, three hundred thirty-one million, eight hundred sixty-three thousand, forty".