1001444782398 has 16 divisors (see below), whose sum is σ = 2002905789456. Its totient is φ = 333812223360.

The previous prime is 1001444782357. The next prime is 1001444782427. The reversal of 1001444782398 is 8932874441001.

1001444782398 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 1001444782398.

It is a congruent number.

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, 217158 + ... + 1431798.

It is an arithmetic number, because the mean of its divisors is an integer number (125181611841).

Almost surely, 2^{1001444782398} is an apocalyptic number.

1001444782398 is an abundant number, since it is smaller than the sum of its proper divisors (1001461007058).

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

1001444782398 is a wasteful number, since it uses less digits than its factorization.

1001444782398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1352059.

The product of its (nonzero) digits is 1548288, while the sum is 51.

The spelling of 1001444782398 in words is "one trillion, one billion, four hundred forty-four million, seven hundred eighty-two thousand, three hundred ninety-eight".