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800448408040 = 23571281848031
BaseRepresentation
bin10111010010111100111…
…00010110100111101000
32211112002121220020011211
423221132130112213220
5101103304243024130
61411415415202504
7111554600131051
oct13513634264750
92745077806154
10800448408040
11289517293356
1210b170676434
135a635b39888
142aa55b2b728
1515c4c868a2a
hexba5e7169e8

800448408040 has 32 divisors (see below), whose sum is σ = 1826375247360. Its totient is φ = 315669793600.

The previous prime is 800448408017. The next prime is 800448408101. The reversal of 800448408040 is 40804844008.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 800448407984 and 800448408002.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 140921176 + ... + 140926855.

It is an arithmetic number, because the mean of its divisors is an integer number (57074226480).

Almost surely, 2800448408040 is an apocalyptic number.

It is an amenable number.

800448408040 is an abundant number, since it is smaller than the sum of its proper divisors (1025926839320).

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

800448408040 is a wasteful number, since it uses less digits than its factorization.

800448408040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281848113 (or 281848109 counting only the distinct ones).

The product of its (nonzero) digits is 131072, while the sum is 40.

The spelling of 800448408040 in words is "eight hundred billion, four hundred forty-eight million, four hundred eight thousand, forty".

Divisors: 1 2 4 5 8 10 20 40 71 142 284 355 568 710 1420 2840 281848031 563696062 1127392124 1409240155 2254784248 2818480310 5636960620 11273921240 20011210201 40022420402 80044840804 100056051005 160089681608 200112102010 400224204020 800448408040