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40744037020 = 22517119835403
BaseRepresentation
bin100101111100100010…
…001010101010011100
310220011112002112102011
4211330202022222130
51131420433141040
630414554041004
72641450412641
oct457442125234
9126145075364
1040744037020
1116308a46075
127a91119164
133ac426cb5b
141d87329dc8
1510d6ea73ea
hex97c88aa9c

40744037020 has 24 divisors (see below), whose sum is σ = 90595565424. Its totient is φ = 15338931456.

The previous prime is 40744037017. The next prime is 40744037021. The reversal of 40744037020 is 2073044704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40744037021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59917362 + ... + 59918041.

It is an arithmetic number, because the mean of its divisors is an integer number (3774815226).

Almost surely, 240744037020 is an apocalyptic number.

It is an amenable number.

40744037020 is an abundant number, since it is smaller than the sum of its proper divisors (49851528404).

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

40744037020 is a wasteful number, since it uses less digits than its factorization.

40744037020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119835429 (or 119835427 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 31.

The spelling of 40744037020 in words is "forty billion, seven hundred forty-four million, thirty-seven thousand, twenty".

Divisors: 1 2 4 5 10 17 20 34 68 85 170 340 119835403 239670806 479341612 599177015 1198354030 2037201851 2396708060 4074403702 8148807404 10186009255 20372018510 40744037020