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44000000000 = 2115911
BaseRepresentation
bin101000111110100110…
…101011100000000000
311012120102202120221122
4220332212223200000
51210103000000000
632114024411412
73115234554245
oct507646534000
9135512676848
1044000000000
1117729942270
12863b616b68
1341c29a3c78
1421b59215cc
151227c5c085
hexa3e9ab800

44000000000 has 240 divisors, whose sum is σ = 119970690840. Its totient is φ = 16000000000.

The previous prime is 43999999999. The next prime is 44000000021. The reversal of 44000000000 is 44.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (8).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is a nialpdrome in base 10.

It is a zygodrome in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3999999995 + ... + 4000000005.

Almost surely, 244000000000 is an apocalyptic number.

44000000000 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 44000000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59985345420).

44000000000 is an abundant number, since it is smaller than the sum of its proper divisors (75970690840).

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

44000000000 is an frugal number, since it uses more digits than its factorization.

44000000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78 (or 18 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 8.

Adding to 44000000000 its reverse (44), we get a palindrome (44000000044).

44000000000 divided by its reverse (44) gives a 9-th power (1000000000 = 109).

It can be divided in two parts, 4 and 4000000000, that added together give a palindrome (4000000004).

The spelling of 44000000000 in words is "forty-four billion", and thus it is an aban number and an eban number.