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40164355423 = 1311087282059
BaseRepresentation
bin100101011001111110…
…110110110101011111
310211200010022122202101
4211121332312311133
51124224033333143
630241245305531
72621211250063
oct453176666537
9124603278671
1040164355423
1116040805775
12794ab652a7
133a311395aa
141d30351aa3
1510a114eb4d
hex959fb6d5f

40164355423 has 8 divisors (see below), whose sum is σ = 40508328960. Its totient is φ = 39820948440.

The previous prime is 40164355351. The next prime is 40164355447. The reversal of 40164355423 is 32455346104.

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 40164355423 - 217 = 40164224351 is a prime.

It is a super-2 number, since 2×401643554232 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40164355453) 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, 1368 + ... + 283426.

It is an arithmetic number, because the mean of its divisors is an integer number (5063541120).

Almost surely, 240164355423 is an apocalyptic number.

40164355423 is a deficient number, since it is larger than the sum of its proper divisors (343973537).

40164355423 is a wasteful number, since it uses less digits than its factorization.

40164355423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283277.

The product of its (nonzero) digits is 172800, while the sum is 37.

The spelling of 40164355423 in words is "forty billion, one hundred sixty-four million, three hundred fifty-five thousand, four hundred twenty-three".

Divisors: 1 131 1087 142397 282059 36949729 306598133 40164355423