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1444054320 = 2432547139307
BaseRepresentation
bin101011000010010…
…1000010100110000
310201122020120010100
41112010220110300
510424134214240
6355143032400
750533154622
oct12604502460
93648216110
101444054320
11681149425
1234373b700
131a0234817
14d9adcc12
1586b97e30
hex56128530

1444054320 has 240 divisors, whose sum is σ = 5004679680. Its totient is φ = 372957696.

The previous prime is 1444054319. The next prime is 1444054343. The reversal of 1444054320 is 234504441.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (240).

It is a super-2 number, since 2×14440543202 = 4170585758221324800, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4703607 + ... + 4703913.

It is an arithmetic number, because the mean of its divisors is an integer number (20852832).

Almost surely, 21444054320 is an apocalyptic number.

1444054320 is a gapful number since it is divisible by the number (10) 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 1444054320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2502339840).

1444054320 is an abundant number, since it is smaller than the sum of its proper divisors (3560625360).

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

1444054320 is a wasteful number, since it uses less digits than its factorization.

1444054320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 512 (or 503 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

The square root of 1444054320 is about 38000.7147301205. The cubic root of 1444054320 is about 1130.3020363684.

Adding to 1444054320 its reverse (234504441), we get a palindrome (1678558761).

The spelling of 1444054320 in words is "one billion, four hundred forty-four million, fifty-four thousand, three hundred twenty".