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40132977020 = 2255897340283
BaseRepresentation
bin100101011000000111…
…001010000101111100
310211120221021110200022
4211120013022011330
51124143020231040
630234204551312
72620350450623
oct453007120574
9124527243608
1040132977020
1116025023704
127940552538
133a277a10a6
141d2a1046ba
15109d5026b5
hex9581ca17c

40132977020 has 24 divisors (see below), whose sum is σ = 84293791344. Its totient is φ = 16050421376.

The previous prime is 40132976903. The next prime is 40132977023. The reversal of 40132977020 is 2077923104.

It is a super-2 number, since 2×401329770202 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40132977023) 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, 52202 + ... + 288081.

It is an arithmetic number, because the mean of its divisors is an integer number (3512241306).

Almost surely, 240132977020 is an apocalyptic number.

It is an amenable number.

40132977020 is an abundant number, since it is smaller than the sum of its proper divisors (44160814324).

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

40132977020 is a wasteful number, since it uses less digits than its factorization.

40132977020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346189 (or 346187 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 35.

The spelling of 40132977020 in words is "forty billion, one hundred thirty-two million, nine hundred seventy-seven thousand, twenty".

Divisors: 1 2 4 5 10 20 5897 11794 23588 29485 58970 117940 340283 680566 1361132 1701415 3402830 6805660 2006648851 4013297702 8026595404 10033244255 20066488510 40132977020