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40235488825 = 5272109301333
BaseRepresentation
bin100101011110001110…
…001101011000111001
310211212002011121102211
4211132032031120321
51124400241120300
630252310055121
72623034004100
oct453616153071
9124762147384
1040235488825
1116077980304
12796a94a4a1
133a42ab3c6c
141d3998b037
1510a75014ba
hex95e38d639

40235488825 has 36 divisors (see below), whose sum is σ = 58570289580. Its totient is φ = 27336839040.

The previous prime is 40235488801. The next prime is 40235488829. The reversal of 40235488825 is 52888453204.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 1478479401 + 38757009424 = 38451^2 + 196868^2 .

It is not a de Polignac number, because 40235488825 - 27 = 40235488697 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is not an unprimeable number, because it can be changed into a prime (40235488829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 17142 + ... + 284191.

Almost surely, 240235488825 is an apocalyptic number.

It is an amenable number.

40235488825 is a deficient number, since it is larger than the sum of its proper divisors (18334800755).

40235488825 is a wasteful number, since it uses less digits than its factorization.

40235488825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301466 (or 301454 counting only the distinct ones).

The product of its (nonzero) digits is 2457600, while the sum is 49.

The spelling of 40235488825 in words is "forty billion, two hundred thirty-five million, four hundred eighty-eight thousand, eight hundred twenty-five".

Divisors: 1 5 7 25 35 49 109 175 245 545 763 1225 2725 3815 5341 19075 26705 133525 301333 1506665 2109331 7533325 10546655 14765317 32845297 52733275 73826585 164226485 229917079 369132925 821132425 1149585395 1609419553 5747926975 8047097765 40235488825