1444650480 has 480 divisors, whose sum is σ = 6327345024. Its totient is φ = 286654464.

The previous prime is 1444650461. The next prime is 1444650511. The reversal of 1444650480 is 840564441.

It is a happy number.

1444650480 is a `hidden beast` number, since 144 + 4 + 6 + 504 + 8 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1113192 + ... + 1114488.

Almost surely, 2^1444650480 is an apocalyptic number.

1444650480 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 1444650480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3163672512).

1444650480 is an abundant number, since it is smaller than the sum of its proper divisors (4882694544).

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

1444650480 is a wasteful number, since it uses less digits than its factorization.

1444650480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1353 (or 1344 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 36.

The square root of 1444650480 is about 38008.5579836963. The cubic root of 1444650480 is about 1130.4575587161.

The spelling of 1444650480 in words is "one billion, four hundred forty-four million, six hundred fifty thousand, four hundred eighty".