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40885985837 = 831393543901
BaseRepresentation
bin100110000100111111…
…101010001000101101
310220112102012021120202
4212010333222020231
51132213303021322
630441024323245
72645123100614
oct460477521055
9126472167522
1040885985837
1116381089344
127b10773525
133b177b0238
141d9c11a87b
1510e4696292
hex984fea22d

40885985837 has 8 divisors (see below), whose sum is σ = 41676287520. Its totient is φ = 40102772400.

The previous prime is 40885985831. The next prime is 40885985851. The reversal of 40885985837 is 73858958804.

40885985837 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40885985837 - 210 = 40885984813 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40885985831) 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, 1760414 + ... + 1783487.

It is an arithmetic number, because the mean of its divisors is an integer number (5209535940).

Almost surely, 240885985837 is an apocalyptic number.

It is an amenable number.

40885985837 is a deficient number, since it is larger than the sum of its proper divisors (790301683).

40885985837 is a wasteful number, since it uses less digits than its factorization.

40885985837 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3544123.

The product of its (nonzero) digits is 77414400, while the sum is 65.

The spelling of 40885985837 in words is "forty billion, eight hundred eighty-five million, nine hundred eighty-five thousand, eight hundred thirty-seven".

Divisors: 1 83 139 11537 3543901 294143783 492602239 40885985837