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804040048840 = 23572871571603
BaseRepresentation
bin10111011001101001000…
…01011000000011001000
32211212100221012111010011
423230310201120003020
5101133133223030330
61413212040401304
7112042601436040
oct13546441300310
92755327174104
10804040048840
1128aa9a712236
1210b9b3476234
135aa88c80c12
142acb6b42720
1515dacd2882a
hexbb348580c8

804040048840 has 32 divisors (see below), whose sum is σ = 2067531554880. Its totient is φ = 275670873792.

The previous prime is 804040048829. The next prime is 804040048843. The reversal of 804040048840 is 48840040408.

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 = 804040048793 and 804040048802.

It is not an unprimeable number, because it can be changed into a prime (804040048843) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1435785522 + ... + 1435786081.

It is an arithmetic number, because the mean of its divisors is an integer number (64610361090).

Almost surely, 2804040048840 is an apocalyptic number.

It is an amenable number.

804040048840 is an abundant number, since it is smaller than the sum of its proper divisors (1263491506040).

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

804040048840 is a wasteful number, since it uses less digits than its factorization.

804040048840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2871571621 (or 2871571617 counting only the distinct ones).

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

The spelling of 804040048840 in words is "eight hundred four billion, forty million, forty-eight thousand, eight hundred forty".

Divisors: 1 2 4 5 7 8 10 14 20 28 35 40 56 70 140 280 2871571603 5743143206 11486286412 14357858015 20101001221 22972572824 28715716030 40202002442 57431432060 80404004884 100505006105 114862864120 160808009768 201010012210 402020024420 804040048840