1290528844880 has 80 divisors (see below), whose sum is σ = 3274695566784. Its totient is φ = 469076029440.

The previous prime is 1290528844867. The next prime is 1290528844949. The reversal of 1290528844880 is 884488250921.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1677647 + ... + 2322833.

Almost surely, 2^{1290528844880} is an apocalyptic number.

1290528844880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1290528844880 is an abundant number, since it is smaller than the sum of its proper divisors (1984166721904).

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

1290528844880 is a wasteful number, since it uses less digits than its factorization.

1290528844880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 647484 (or 647478 counting only the distinct ones).

The product of its (nonzero) digits is 11796480, while the sum is 59.

The spelling of 1290528844880 in words is "one trillion, two hundred ninety billion, five hundred twenty-eight million, eight hundred forty-four thousand, eight hundred eighty".