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40004066740 = 225111731051079
BaseRepresentation
bin100101010000011011…
…011001110110110100
310211020221201011000111
4211100123121312310
51123412020113430
630213321552404
72614223646121
oct452033316664
9124227634014
1040004066740
1115a69286490
127905345704
133a06b77611
141d16d49748
15109203bc2a
hex9506d9db4

40004066740 has 48 divisors (see below), whose sum is σ = 92175511680. Its totient is φ = 14462833280.

The previous prime is 40004066737. The next prime is 40004066747. The reversal of 40004066740 is 4766040004.

40004066740 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40004066747) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 487480 + ... + 563599.

It is an arithmetic number, because the mean of its divisors is an integer number (1920323160).

Almost surely, 240004066740 is an apocalyptic number.

It is an amenable number.

40004066740 is an abundant number, since it is smaller than the sum of its proper divisors (52171444940).

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

40004066740 is a wasteful number, since it uses less digits than its factorization.

40004066740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1051272 (or 1051270 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 31.

The spelling of 40004066740 in words is "forty billion, four million, sixty-six thousand, seven hundred forty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 173 220 346 692 865 1730 1903 3460 3806 7612 9515 19030 38060 1051079 2102158 4204316 5255395 10510790 11561869 21021580 23123738 46247476 57809345 115618690 181836667 231237380 363673334 727346668 909183335 1818366670 2000203337 3636733340 4000406674 8000813348 10001016685 20002033370 40004066740