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40408108324 = 2291611102721
BaseRepresentation
bin100101101000100000…
…101100110100100100
310212022002222120212121
4211220200230310210
51130223433431244
630321353555324
72630231152663
oct455040546444
9125262876777
1040408108324
1116156361951
1279b8715b44
133a6c7a268c
141d54882dda
1510b774cc84
hex96882cd24

40408108324 has 12 divisors (see below), whose sum is σ = 70721972748. Its totient is φ = 20201830400.

The previous prime is 40408108303. The next prime is 40408108361. The reversal of 40408108324 is 42380180404.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 18338034724 + 22070073600 = 135418^2 + 148560^2 .

It is a super-3 number, since 3×404081083243 (a number of 33 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40408108324.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 514717 + ... + 588004.

It is an arithmetic number, because the mean of its divisors is an integer number (5893497729).

Almost surely, 240408108324 is an apocalyptic number.

It is an amenable number.

40408108324 is a deficient number, since it is larger than the sum of its proper divisors (30313864424).

40408108324 is a wasteful number, since it uses less digits than its factorization.

40408108324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1111886 (or 1111884 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 34.

Adding to 40408108324 its reverse (42380180404), we get a palindrome (82788288728).

The spelling of 40408108324 in words is "forty billion, four hundred eight million, one hundred eight thousand, three hundred twenty-four".

Divisors: 1 2 4 9161 18322 36644 1102721 2205442 4410884 10102027081 20204054162 40408108324