2528232657380 has 12 divisors (see below), whose sum is σ = 5309288580540. Its totient is φ = 1011293062944.

The previous prime is 2528232657367. The next prime is 2528232657389. The reversal of 2528232657380 is 837562328252.

It can be written as a sum of positive squares in 2 ways, for example, as 479830519204 + 2048402138176 = 692698^2 + 1431224^2 .

It is not an unprimeable number, because it can be changed into a prime (2528232657389) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 63205816415 + ... + 63205816454.

It is an arithmetic number, because the mean of its divisors is an integer number (442440715045).

Almost surely, 2^{2528232657380} is an apocalyptic number.

2528232657380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2528232657380 is an abundant number, since it is smaller than the sum of its proper divisors (2781055923160).

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

2528232657380 is a wasteful number, since it uses less digits than its factorization.

2528232657380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126411632878 (or 126411632876 counting only the distinct ones).

The product of its (nonzero) digits is 9676800, while the sum is 53.

The spelling of 2528232657380 in words is "two trillion, five hundred twenty-eight billion, two hundred thirty-two million, six hundred fifty-seven thousand, three hundred eighty".