1049144442864 has 80 divisors (see below), whose sum is σ = 3279678444288. Its totient is φ = 282122873856.

The previous prime is 1049144442821. The next prime is 1049144442889. The reversal of 1049144442864 is 4682444419401.

It is a super-2 number, since 2×1049144442864² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91831162 + ... + 91842585.

Almost surely, 2^{1049144442864} is an apocalyptic number.

1049144442864 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1049144442864 is an abundant number, since it is smaller than the sum of its proper divisors (2230534001424).

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

1049144442864 is a wasteful number, since it uses less digits than its factorization.

1049144442864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183673782 (or 183673776 counting only the distinct ones).

The product of its (nonzero) digits is 3538944, while the sum is 51.

The spelling of 1049144442864 in words is "one trillion, forty-nine billion, one hundred forty-four million, four hundred forty-two thousand, eight hundred sixty-four".