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4400420450 = 25288008409
BaseRepresentation
bin1000001100100100…
…10001011001100010
3102100200011112001012
410012102101121202
533003001423300
62004352140522
7214021646066
oct40622213142
912320145035
104400420450
111958a17018
12a29837742
1355187c4aa
142da5c7aa6
151ab4bd435
hex106491662

4400420450 has 12 divisors (see below), whose sum is σ = 8184782130. Its totient is φ = 1760168160.

The previous prime is 4400420429. The next prime is 4400420483. The reversal of 4400420450 is 540240044.

It can be written as a sum of positive squares in 3 ways, for example, as 3710149921 + 690270529 = 60911^2 + 26273^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 44004155 + ... + 44004254.

Almost surely, 24400420450 is an apocalyptic number.

4400420450 is a deficient number, since it is larger than the sum of its proper divisors (3784361680).

4400420450 is a wasteful number, since it uses less digits than its factorization.

4400420450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88008421 (or 88008416 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 23.

The square root of 4400420450 is about 66335.6649925212. The cubic root of 4400420450 is about 1638.6947340280.

Adding to 4400420450 its reverse (540240044), we get a palindrome (4940660494).

The spelling of 4400420450 in words is "four billion, four hundred million, four hundred twenty thousand, four hundred fifty".

Divisors: 1 2 5 10 25 50 88008409 176016818 440042045 880084090 2200210225 4400420450