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40033940000 = 25542001697
BaseRepresentation
bin100101010010001101…
…010111001000100000
310211100000220212102112
4211102031113020200
51123442142040000
630220310134452
72615035606145
oct452215271040
9124300825375
1040033940000
1115a8412a72a
127913351428
133a101069c2
141d1acc43cc
15109498d235
hex952357220

40033940000 has 60 divisors (see below), whose sum is σ = 98489546694. Its totient is φ = 16013568000.

The previous prime is 40033939889. The next prime is 40033940017. The reversal of 40033940000 is 4933004.

It can be written as a sum of positive squares in 5 ways, for example, as 1094021776 + 38939918224 = 33076^2 + 197332^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 980849 + ... + 1020848.

Almost surely, 240033940000 is an apocalyptic number.

40033940000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40033940000 is an abundant number, since it is smaller than the sum of its proper divisors (58455606694).

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

40033940000 is an equidigital number, since it uses as much as digits as its factorization.

40033940000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2001727 (or 2001704 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

The spelling of 40033940000 in words is "forty billion, thirty-three million, nine hundred forty thousand".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 80 100 125 160 200 250 400 500 625 800 1000 1250 2000 2500 4000 5000 10000 20000 2001697 4003394 8006788 10008485 16013576 20016970 32027152 40033940 50042425 64054304 80067880 100084850 160135760 200169700 250212125 320271520 400339400 500424250 800678800 1000848500 1251060625 1601357600 2001697000 2502121250 4003394000 5004242500 8006788000 10008485000 20016970000 40033940000