1048389640280 has 128 divisors (see below), whose sum is σ = 2637392529600. Its totient is φ = 372733820928.

The previous prime is 1048389640213. The next prime is 1048389640313. The reversal of 1048389640280 is 820469838401.

It is a Cunningham number, because it is equal to 1023909²-1.

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, 3967652 + ... + 4223628.

Almost surely, 2^{1048389640280} is an apocalyptic number.

1048389640280 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 1048389640280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1318696264800).

1048389640280 is an abundant number, since it is smaller than the sum of its proper divisors (1589002889320).

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

1048389640280 is a wasteful number, since it uses less digits than its factorization.

1048389640280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256341 (or 256337 counting only the distinct ones).

The product of its (nonzero) digits is 2654208, while the sum is 53.

The spelling of 1048389640280 in words is "one trillion, forty-eight billion, three hundred eighty-nine million, six hundred forty thousand, two hundred eighty".