2628731785250 has 32 divisors (see below), whose sum is σ = 4956905571696. Its totient is φ = 1043817571200.

The previous prime is 2628731785243. The next prime is 2628731785397. The reversal of 2628731785250 is 525871378262.

It can be written as a sum of positive squares in 8 ways, for example, as 132227504161 + 2496504281089 = 363631^2 + 1580033^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38341397 + ... + 38409896.

Almost surely, 2^{2628731785250} is an apocalyptic number.

2628731785250 is a deficient number, since it is larger than the sum of its proper divisors (2328173786446).

2628731785250 is a wasteful number, since it uses less digits than its factorization.

2628731785250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76751447 (or 76751437 counting only the distinct ones).

The product of its (nonzero) digits is 11289600, while the sum is 56.

The spelling of 2628731785250 in words is "two trillion, six hundred twenty-eight billion, seven hundred thirty-one million, seven hundred eighty-five thousand, two hundred fifty".