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34043440040 = 235852199881
BaseRepresentation
bin11111101101001001…
…011010101110101000
310020212112201221100122
4133231021122232220
51024210110040130
623350033022412
72313425315531
oct375511325650
9106775657318
1034043440040
111348a6a8415
1267210b4a08
133296cb607c
14190d469688
15d43ad02e5
hex7ed25aba8

34043440040 has 32 divisors (see below), whose sum is σ = 76607496360. Its totient is φ = 13615641600.

The previous prime is 34043440027. The next prime is 34043440043. The reversal of 34043440040 is 4004434043.

It can be written as a sum of positive squares in 4 ways, for example, as 33739077124 + 304362916 = 183682^2 + 17446^2 .

It is a junction number, because it is equal to n+sod(n) for n = 34043439991 and 34043440009.

It is not an unprimeable number, because it can be changed into a prime (34043440043) 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, 290900 + ... + 390780.

Almost surely, 234043440040 is an apocalyptic number.

It is an amenable number.

34043440040 is an abundant number, since it is smaller than the sum of its proper divisors (42564056320).

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

34043440040 is a wasteful number, since it uses less digits than its factorization.

34043440040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108413 (or 108409 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 26.

Adding to 34043440040 its reverse (4004434043), we get a palindrome (38047874083).

The spelling of 34043440040 in words is "thirty-four billion, forty-three million, four hundred forty thousand, forty".

Divisors: 1 2 4 5 8 10 20 40 8521 17042 34084 42605 68168 85210 99881 170420 199762 340840 399524 499405 799048 998810 1997620 3995240 851086001 1702172002 3404344004 4255430005 6808688008 8510860010 17021720020 34043440040