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40255323430 = 257607947407
BaseRepresentation
bin100101011111011001…
…110111110100100110
310211220110111022101211
4211133121313310212
51124420330322210
630254255142034
72623364413660
oct453731676446
9124813438354
1040255323430
1116088098343
12797551491a
133a46c3a00a
141d3c471530
1510a911d38a
hex95f677d26

40255323430 has 32 divisors (see below), whose sum is σ = 82947465216. Its totient is φ = 13779072864.

The previous prime is 40255323413. The next prime is 40255323439. The reversal of 40255323430 is 3432355204.

It is a junction number, because it is equal to n+sod(n) for n = 40255323392 and 40255323401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40255323439) 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, 431214 + ... + 516193.

It is an arithmetic number, because the mean of its divisors is an integer number (2592108288).

Almost surely, 240255323430 is an apocalyptic number.

40255323430 is an abundant number, since it is smaller than the sum of its proper divisors (42692141786).

40255323430 is a wasteful number, since it uses less digits than its factorization.

40255323430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 948028.

The product of its (nonzero) digits is 43200, while the sum is 31.

Adding to 40255323430 its reverse (3432355204), we get a palindrome (43687678634).

The spelling of 40255323430 in words is "forty billion, two hundred fifty-five million, three hundred twenty-three thousand, four hundred thirty".

Divisors: 1 2 5 7 10 14 35 70 607 1214 3035 4249 6070 8498 21245 42490 947407 1894814 4737035 6631849 9474070 13263698 33159245 66318490 575076049 1150152098 2875380245 4025532343 5750760490 8051064686 20127661715 40255323430