1444653000 has 384 divisors, whose sum is σ = 5828958720. Its totient is φ = 315532800.

The previous prime is 1444652981. The next prime is 1444653017. The reversal of 1444653000 is 3564441.

1444653000 is a `hidden beast` number, since 1 + 4 + 4 + 4 + 653 + 0 + 0 + 0 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1448502 + ... + 1449498.

It is an arithmetic number, because the mean of its divisors is an integer number (15179580).

Almost surely, 2^1444653000 is an apocalyptic number.

1444653000 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 1444653000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2914479360).

1444653000 is an abundant number, since it is smaller than the sum of its proper divisors (4384305720).

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

1444653000 is a wasteful number, since it uses less digits than its factorization.

1444653000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1054 (or 1037 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 1444653000 is about 38008.5911341107. The cubic root of 1444653000 is about 1130.4582160265.

The spelling of 1444653000 in words is "one billion, four hundred forty-four million, six hundred fifty-three thousand".