1048144063440 has 160 divisors (see below), whose sum is σ = 3323563278336. Its totient is φ = 273130836480.

The previous prime is 1048144063423. The next prime is 1048144063481. The reversal of 1048144063440 is 443604418401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7180785 + ... + 7325295.

Almost surely, 2^{1048144063440} is an apocalyptic number.

1048144063440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1048144063440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1661781639168).

1048144063440 is an abundant number, since it is smaller than the sum of its proper divisors (2275419214896).

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

1048144063440 is a wasteful number, since it uses less digits than its factorization.

1048144063440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145217 (or 145211 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 39.

The spelling of 1048144063440 in words is "one trillion, forty-eight billion, one hundred forty-four million, sixty-three thousand, four hundred forty".