1444443001425 has 72 divisors (see below), whose sum is σ = 2601508780728. Its totient is φ = 766105344000.

The previous prime is 1444443001367. The next prime is 1444443001427. The reversal of 1444443001425 is 5241003444441.

1444443001425 is a `hidden beast` number, since 1 + 44 + 44 + 430 + 0 + 142 + 5 = 666.

It can be written as a sum of positive squares in 12 ways, for example, as 6141700161 + 1438301301264 = 78369^2 + 1199292^2 .

It is not a de Polignac number, because 1444443001425 - 2²⁵ = 1444409446993 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1444443001425.

It is not an unprimeable number, because it can be changed into a prime (1444443001427) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 39728755 + ... + 39765095.

It is an arithmetic number, because the mean of its divisors is an integer number (36132066399).

Almost surely, 2^{1444443001425} is an apocalyptic number.

1444443001425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1444443001425 is a deficient number, since it is larger than the sum of its proper divisors (1157065779303).

1444443001425 is a wasteful number, since it uses less digits than its factorization.

1444443001425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37331 (or 37323 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 36.

Adding to 1444443001425 its reverse (5241003444441), we get a palindrome (6685446445866).

The spelling of 1444443001425 in words is "one trillion, four hundred forty-four billion, four hundred forty-three million, one thousand, four hundred twenty-five".