284090940625 has 12 divisors (see below), whose sum is σ = 355090952412. Its totient is φ = 227272750000.

The previous prime is 284090940593. The next prime is 284090940671. The reversal of 284090940625 is 526049090482.

It can be written as a sum of positive squares in 6 ways, for example, as 237999573904 + 46091366721 = 487852^2 + 214689^2 .

It is not a de Polignac number, because 284090940625 - 2⁵ = 284090940593 is a prime.

It is a Duffinian number.

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 11 ways as a sum of consecutive naturals, for example, 45451426 + ... + 45457675.

It is an arithmetic number, because the mean of its divisors is an integer number (29590912701).

Almost surely, 2^284090940625 is an apocalyptic number.

284090940625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

284090940625 is a deficient number, since it is larger than the sum of its proper divisors (71000011787).

284090940625 is an frugal number, since it uses more digits than its factorization.

284090940625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90909126 (or 90909106 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 49.

The spelling of 284090940625 in words is "two hundred eighty-four billion, ninety million, nine hundred forty thousand, six hundred twenty-five".