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202444032040 = 2355698894729
BaseRepresentation
bin1011110010001010011…
…0101100100000101000
3201100112200011101011121
42330202212230200220
511304101133011130
6233000154105024
720424515610565
oct2744246544050
9640480141147
10202444032040
1178946418698
123329a11b174
1316123783993
149b2692386c
1553ecce6d7a
hex2f229ac828

202444032040 has 32 divisors (see below), whose sum is σ = 456299649000. Its totient is φ = 80835288064.

The previous prime is 202444032031. The next prime is 202444032169. The reversal of 202444032040 is 40230444202.

It can be written as a sum of positive squares in 4 ways, for example, as 136732811076 + 65711220964 = 369774^2 + 256342^2 .

It is a super-2 number, since 2×2024440320402 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 202444031996 and 202444032014.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4424605 + ... + 4470124.

Almost surely, 2202444032040 is an apocalyptic number.

202444032040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202444032040 is an abundant number, since it is smaller than the sum of its proper divisors (253855616960).

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

202444032040 is a wasteful number, since it uses less digits than its factorization.

202444032040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8895309 (or 8895305 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 25.

Adding to 202444032040 its reverse (40230444202), we get a palindrome (242674476242).

The spelling of 202444032040 in words is "two hundred two billion, four hundred forty-four million, thirty-two thousand, forty".

Divisors: 1 2 4 5 8 10 20 40 569 1138 2276 2845 4552 5690 11380 22760 8894729 17789458 35578916 44473645 71157832 88947290 177894580 355789160 5061100801 10122201602 20244403204 25305504005 40488806408 50611008010 101222016020 202444032040