1438086001956 has 24 divisors (see below), whose sum is σ = 3368292696384. Its totient is φ = 477539330400.

The previous prime is 1438086001901. The next prime is 1438086002011. The reversal of 1438086001956 is 6591006808341.

It is an interprime number because it is at equal distance from previous prime (1438086001901) and next prime (1438086002011).

It is a junction number, because it is equal to n+sod(n) for n = 1438086001899 and 1438086001908.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 227830495 + ... + 227836806.

It is an arithmetic number, because the mean of its divisors is an integer number (140345529016).

Almost surely, 2^{1438086001956} is an apocalyptic number.

It is an amenable number.

1438086001956 is an abundant number, since it is smaller than the sum of its proper divisors (1930206694428).

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

1438086001956 is a wasteful number, since it uses less digits than its factorization.

1438086001956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 455667571 (or 455667569 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 51.

The spelling of 1438086001956 in words is "one trillion, four hundred thirty-eight billion, eighty-six million, one thousand, nine hundred fifty-six".