1444126215426 has 32 divisors (see below), whose sum is σ = 2944776783168. Its totient is φ = 471967204800.

The previous prime is 1444126215397. The next prime is 1444126215431. The reversal of 1444126215426 is 6245126214441.

It is a happy number.

It is a super-2 number, since 2×1444126215426² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1103461 + ... + 2026296.

It is an arithmetic number, because the mean of its divisors is an integer number (92024274474).

Almost surely, 2^{1444126215426} is an apocalyptic number.

1444126215426 is an abundant number, since it is smaller than the sum of its proper divisors (1500650567742).

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

1444126215426 is a wasteful number, since it uses less digits than its factorization.

1444126215426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3131266.

The product of its digits is 368640, while the sum is 42.

The spelling of 1444126215426 in words is "one trillion, four hundred forty-four billion, one hundred twenty-six million, two hundred fifteen thousand, four hundred twenty-six".