1049557789280 has 1728 divisors, whose sum is σ = 3706469093376. Its totient is φ = 276756480000.

The previous prime is 1049557789237. The next prime is 1049557789297. The reversal of 1049557789280 is 829877559401.

It is a super-2 number, since 2×1049557789280² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (65).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 10391661230 + ... + 10391661330.

It is an arithmetic number, because the mean of its divisors is an integer number (2144947392).

Almost surely, 2^{1049557789280} is an apocalyptic number.

1049557789280 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 1049557789280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1853234546688).

1049557789280 is an abundant number, since it is smaller than the sum of its proper divisors (2656911304096).

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

1049557789280 is a wasteful number, since it uses less digits than its factorization.

1049557789280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221 (or 193 counting only the distinct ones).

The product of its (nonzero) digits is 50803200, while the sum is 65.

It can be divided in two parts, 10495 and 57789280, that added together give a palindrome (57799775).

The spelling of 1049557789280 in words is "one trillion, forty-nine billion, five hundred fifty-seven million, seven hundred eighty-nine thousand, two hundred eighty".