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80448884040 = 23357243318181
BaseRepresentation
bin100101011101100100…
…0001000110101001000
321200122121202202010210
41022323020020311020
52304224403242130
6100542510441120
75545412142300
oct1127310106510
9250577682123
1080448884040
1131133330328
12137122031a0
137781130885
143c72626600
15215cadb5b0
hex12bb208d48

80448884040 has 192 divisors, whose sum is σ = 287280164160. Its totient is φ = 17960624640.

The previous prime is 80448883973. The next prime is 80448884057. The reversal of 80448884040 is 4048884408.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 93750 + ... + 411930.

It is an arithmetic number, because the mean of its divisors is an integer number (1496250855).

Almost surely, 280448884040 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80448884040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (143640082080).

80448884040 is an abundant number, since it is smaller than the sum of its proper divisors (206831280120).

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

80448884040 is a wasteful number, since it uses less digits than its factorization.

80448884040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318252 (or 318241 counting only the distinct ones).

The product of its (nonzero) digits is 1048576, while the sum is 48.

The spelling of 80448884040 in words is "eighty billion, four hundred forty-eight million, eight hundred eighty-four thousand, forty".