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34217210440 = 2357432841961
BaseRepresentation
bin11111110111100000…
…010011001001001000
310021022122201101112101
4133313200103021020
51030034101213230
623415201323144
72320635330010
oct376740231110
9107278641471
1034217210440
11135697a5716
12676b3364b4
1332c3cb85aa
141928580c40
15d53ea7aca
hex7f7813248

34217210440 has 64 divisors (see below), whose sum is σ = 90033356160. Its totient is φ = 11458782720.

The previous prime is 34217210437. The next prime is 34217210441. The reversal of 34217210440 is 4401271243.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 34217210399 and 34217210408.

It is not an unprimeable number, because it can be changed into a prime (34217210441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1408941 + ... + 1433020.

It is an arithmetic number, because the mean of its divisors is an integer number (1406771190).

Almost surely, 234217210440 is an apocalyptic number.

It is an amenable number.

34217210440 is an abundant number, since it is smaller than the sum of its proper divisors (55816145720).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

34217210440 is a wasteful number, since it uses less digits than its factorization.

34217210440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2842022 (or 2842018 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 28.

Adding to 34217210440 its reverse (4401271243), we get a palindrome (38618481683).

The spelling of 34217210440 in words is "thirty-four billion, two hundred seventeen million, two hundred ten thousand, four hundred forty".

Divisors: 1 2 4 5 7 8 10 14 20 28 35 40 43 56 70 86 140 172 215 280 301 344 430 602 860 1204 1505 1720 2408 3010 6020 12040 2841961 5683922 11367844 14209805 19893727 22735688 28419610 39787454 56839220 79574908 99468635 113678440 122204323 159149816 198937270 244408646 397874540 488817292 611021615 795749080 855430261 977634584 1222043230 1710860522 2444086460 3421721044 4277151305 4888172920 6843442088 8554302610 17108605220 34217210440