2528662720880 has 80 divisors (see below), whose sum is σ = 5974843966464. Its totient is φ = 995040288000.

The previous prime is 2528662720879. The next prime is 2528662720897. The reversal of 2528662720880 is 880272668252.

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, 3711269 + ... + 4339451.

Almost surely, 2^{2528662720880} is an apocalyptic number.

2528662720880 is a gapful number since it is divisible by the number (20) 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 2528662720880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2987421983232).

2528662720880 is an abundant number, since it is smaller than the sum of its proper divisors (3446181245584).

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

2528662720880 is a wasteful number, since it uses less digits than its factorization.

2528662720880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 629014 (or 629008 counting only the distinct ones).

The product of its (nonzero) digits is 10321920, while the sum is 56.

The spelling of 2528662720880 in words is "two trillion, five hundred twenty-eight billion, six hundred sixty-two million, seven hundred twenty thousand, eight hundred eighty".