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40445445141 = 3219236523071
BaseRepresentation
bin100101101010101111…
…001000010000010101
310212101201020111100200
4211222233020100111
51130313013221031
630325210131113
72631163416453
oct455257102025
9125351214320
1040445445141
1116175443622
127a09120a99
133a77445c7a
141d598019d3
1510bab758e6
hex96abc8415

40445445141 has 12 divisors (see below), whose sum is σ = 61495998720. Its totient is φ = 25544491560.

The previous prime is 40445445133. The next prime is 40445445151. The reversal of 40445445141 is 14154454404.

It is not a de Polignac number, because 40445445141 - 23 = 40445445133 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40445445096 and 40445445105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40445445101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 118261365 + ... + 118261706.

It is an arithmetic number, because the mean of its divisors is an integer number (5124666560).

Almost surely, 240445445141 is an apocalyptic number.

It is an amenable number.

40445445141 is a deficient number, since it is larger than the sum of its proper divisors (21050553579).

40445445141 is a wasteful number, since it uses less digits than its factorization.

40445445141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236523096 (or 236523093 counting only the distinct ones).

The product of its (nonzero) digits is 102400, while the sum is 36.

Adding to 40445445141 its reverse (14154454404), we get a palindrome (54599899545).

The spelling of 40445445141 in words is "forty billion, four hundred forty-five million, four hundred forty-five thousand, one hundred forty-one".

Divisors: 1 3 9 19 57 171 236523071 709569213 2128707639 4493938349 13481815047 40445445141