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40508201872 = 243389747053
BaseRepresentation
bin100101101110011110…
…100001101110010000
310212120002022212102001
4211232132201232100
51130430044424442
630335331203344
72632555014625
oct455636415620
9125502285361
1040508201872
11161a7907696
127a26146554
133a87449928
141d63c9a34c
1510c14202b7
hex96e7a1b90

40508201872 has 20 divisors (see below), whose sum is σ = 78507904860. Its totient is φ = 20248097408.

The previous prime is 40508201857. The next prime is 40508201873. The reversal of 40508201872 is 27810280504.

40508201872 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 25887522816 + 14620679056 = 160896^2 + 120916^2 .

It is not an unprimeable number, because it can be changed into a prime (40508201873) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 319303 + ... + 427750.

It is an arithmetic number, because the mean of its divisors is an integer number (3925395243).

Almost surely, 240508201872 is an apocalyptic number.

It is an amenable number.

40508201872 is a deficient number, since it is larger than the sum of its proper divisors (37999702988).

40508201872 is a wasteful number, since it uses less digits than its factorization.

40508201872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 750450 (or 750444 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 37.

The spelling of 40508201872 in words is "forty billion, five hundred eight million, two hundred one thousand, eight hundred seventy-two".

Divisors: 1 2 4 8 16 3389 6778 13556 27112 54224 747053 1494106 2988212 5976424 11952848 2531762617 5063525234 10127050468 20254100936 40508201872