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4430020434 = 237377140151
BaseRepresentation
bin1000010000000110…
…01011111101010010
3102102201212100120220
410020003023331102
533033041123214
62011330413510
7214531360320
oct41003137522
912381770526
104430020434
1119736a3a14
12a37731296
13557a44388
143004d0d10
151addb89a9
hex1080cbf52

4430020434 has 64 divisors (see below), whose sum is σ = 10546163712. Its totient is φ = 1214136000.

The previous prime is 4430020393. The next prime is 4430020447. The reversal of 4430020434 is 4340200344.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 90259 + ... + 130409.

It is an arithmetic number, because the mean of its divisors is an integer number (164783808).

Almost surely, 24430020434 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4430020434, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5273081856).

4430020434 is an abundant number, since it is smaller than the sum of its proper divisors (6116143278).

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

4430020434 is a wasteful number, since it uses less digits than its factorization.

4430020434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40271.

The product of its (nonzero) digits is 4608, while the sum is 24.

The square root of 4430020434 is about 66558.3986736460. The cubic root of 4430020434 is about 1642.3608218473.

Adding to 4430020434 its reverse (4340200344), we get a palindrome (8770220778).

The spelling of 4430020434 in words is "four billion, four hundred thirty million, twenty thousand, four hundred thirty-four".

Divisors: 1 2 3 6 7 14 21 37 42 71 74 111 142 213 222 259 426 497 518 777 994 1491 1554 2627 2982 5254 7881 15762 18389 36778 40151 55167 80302 110334 120453 240906 281057 562114 843171 1485587 1686342 2850721 2971174 4456761 5701442 8552163 8913522 10399109 17104326 19955047 20798218 31197327 39910094 59865141 62394654 105476677 119730282 210953354 316430031 632860062 738336739 1476673478 2215010217 4430020434