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4040220331 = 7917362921
BaseRepresentation
bin1111000011010000…
…1101111010101011
3101102120101110101001
43300310031322223
531233244022311
61504523535431
7202056210010
oct36064157253
911376343331
104040220331
111793665374
1294908a577
134c5064624
142a4823707
15189a6c4c1
hexf0d0deab

4040220331 has 8 divisors (see below), whose sum is σ = 4617971424. Its totient is φ = 3462613440.

The previous prime is 4040220313. The next prime is 4040220337. The reversal of 4040220331 is 1330220404.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4040220331 - 29 = 4040219819 is a prime.

It is a super-2 number, since 2×40402203312 = 32646760646051499122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4040220299 and 4040220308.

It is not an unprimeable number, because it can be changed into a prime (4040220337) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32751 + ... + 95671.

It is an arithmetic number, because the mean of its divisors is an integer number (577246428).

Almost surely, 24040220331 is an apocalyptic number.

4040220331 is a deficient number, since it is larger than the sum of its proper divisors (577751093).

4040220331 is an equidigital number, since it uses as much as digits as its factorization.

4040220331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72101.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 4040220331 is about 63562.7275295829. The cubic root of 4040220331 is about 1592.7038012673.

Adding to 4040220331 its reverse (1330220404), we get a palindrome (5370440735).

The spelling of 4040220331 in words is "four billion, forty million, two hundred twenty thousand, three hundred thirty-one".

Divisors: 1 7 9173 62921 64211 440447 577174333 4040220331