2528232735780 has 72 divisors (see below), whose sum is σ = 7684039654200. Its totient is φ = 672870822912.

The previous prime is 2528232735739. The next prime is 2528232735811. The reversal of 2528232735780 is 875372328252.

It is a happy number.

2528232735780 is a `hidden beast` number, since 2 + 5 + 28 + 23 + 27 + 3 + 578 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 432177389604 + 2096055346176 = 657402^2 + 1447776^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13705765 + ... + 13889004.

It is an arithmetic number, because the mean of its divisors is an integer number (106722772975).

Almost surely, 2^{2528232735780} is an apocalyptic number.

2528232735780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2528232735780 is an abundant number, since it is smaller than the sum of its proper divisors (5155806918420).

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

2528232735780 is a wasteful number, since it uses less digits than its factorization.

2528232735780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27595293 (or 27595288 counting only the distinct ones).

The product of its (nonzero) digits is 11289600, while the sum is 54.

The spelling of 2528232735780 in words is "two trillion, five hundred twenty-eight billion, two hundred thirty-two million, seven hundred thirty-five thousand, seven hundred eighty".