1090020078528 has 224 divisors, whose sum is σ = 2968533909504. Its totient is φ = 352846061568.

The previous prime is 1090020078479. The next prime is 1090020078529. The reversal of 1090020078528 is 8258700200901.

1090020078528 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 1090020078528.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1090020078529) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 797380501 + ... + 797381867.

Almost surely, 2^{1090020078528} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1090020078528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1484266954752).

1090020078528 is an abundant number, since it is smaller than the sum of its proper divisors (1878513830976).

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

1090020078528 is a wasteful number, since it uses less digits than its factorization.

1090020078528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2179 (or 2169 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 42.

The spelling of 1090020078528 in words is "one trillion, ninety billion, twenty million, seventy-eight thousand, five hundred twenty-eight".