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44431400000 = 26551323743
BaseRepresentation
bin101001011000010100…
…010101110001000000
311020200111111222111102
4221120110111301000
51211443414300000
632224515033532
73132023445221
oct513024256100
9136614458442
1044431400000
1117930404499
12873bb9b8a8
13426118a840
142216d3b248
151250a743d5
hexa58515c40

44431400000 has 336 divisors, whose sum is σ = 124007563008. Its totient is φ = 15671040000.

The previous prime is 44431399993. The next prime is 44431400081. The reversal of 44431400000 is 413444.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 59799629 + ... + 59800371.

It is an arithmetic number, because the mean of its divisors is an integer number (369070128).

Almost surely, 244431400000 is an apocalyptic number.

44431400000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 44431400000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62003781504).

44431400000 is an abundant number, since it is smaller than the sum of its proper divisors (79576163008).

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

44431400000 is an equidigital number, since it uses as much as digits as its factorization.

44431400000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 816 (or 786 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 44431400000 its reverse (413444), we get a palindrome (44431813444).

The spelling of 44431400000 in words is "forty-four billion, four hundred thirty-one million, four hundred thousand".