1444750740015 has 64 divisors (see below), whose sum is σ = 2610922636800. Its totient is φ = 675755225600.

The previous prime is 1444750740001. The next prime is 1444750740019. The reversal of 1444750740015 is 5100470574441.

It is not a de Polignac number, because 1444750740015 - 2³³ = 1436160805423 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1444750740019) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5523256 + ... + 5778914.

It is an arithmetic number, because the mean of its divisors is an integer number (40795666200).

Almost surely, 2^{1444750740015} is an apocalyptic number.

1444750740015 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1444750740015 is a deficient number, since it is larger than the sum of its proper divisors (1166171896785).

1444750740015 is a wasteful number, since it uses less digits than its factorization.

1444750740015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256888.

The product of its (nonzero) digits is 313600, while the sum is 42.

The spelling of 1444750740015 in words is "one trillion, four hundred forty-four billion, seven hundred fifty million, seven hundred forty thousand, fifteen".