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400420205533325 = 5221182392234561
BaseRepresentation
bin101101100001011100001100…
…0000111001001100010001101
31221111202210112121002221002202
41123002320120013021202031
5404440441040104031300
63535342300345531245
7150225255655011635
oct13302703007114215
91844683477087082
10400420205533325
1110664a28a0aa26a
1238ab01507a3b25
1314257604007773
1470c46271156c5
153145cad841ad5
hex16c2e181c988d

400420205533325 has 24 divisors (see below), whose sum is σ = 499480406166336. Its totient is φ = 318430594944000.

The previous prime is 400420205533319. The next prime is 400420205533373. The reversal of 400420205533325 is 523335502024004.

It is not a de Polignac number, because 400420205533325 - 28 = 400420205533069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 41775956 + ... + 50458605.

It is an arithmetic number, because the mean of its divisors is an integer number (20811683590264).

Almost surely, 2400420205533325 is an apocalyptic number.

It is an amenable number.

400420205533325 is a deficient number, since it is larger than the sum of its proper divisors (99060200633011).

400420205533325 is a wasteful number, since it uses less digits than its factorization.

400420205533325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92235605 (or 92235600 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 38.

Adding to 400420205533325 its reverse (523335502024004), we get a palindrome (923755707557329).

The spelling of 400420205533325 in words is "four hundred trillion, four hundred twenty billion, two hundred five million, five hundred thirty-three thousand, three hundred twenty-five".

Divisors: 1 5 25 211 823 1055 4115 5275 20575 173653 868265 4341325 92234561 461172805 2305864025 19461492371 75909043703 97307461855 379545218515 486537309275 1897726092575 16016808221333 80084041106665 400420205533325