824824640245 has 16 divisors (see below), whose sum is σ = 1048130664048. Its totient is φ = 620974402560.

The previous prime is 824824640239. The next prime is 824824640267. The reversal of 824824640245 is 542046428428.

It can be written as a sum of positive squares in 8 ways, for example, as 81115027249 + 743709612996 = 284807^2 + 862386^2 .

It is not a de Polignac number, because 824824640245 - 2²¹ = 824822543093 is a prime.

It is a congruent 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 15 ways as a sum of consecutive naturals, for example, 217327 + ... + 1302643.

It is an arithmetic number, because the mean of its divisors is an integer number (65508166503).

Almost surely, 2^824824640245 is an apocalyptic number.

824824640245 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

It is an amenable number.

824824640245 is a deficient number, since it is larger than the sum of its proper divisors (223306023803).

824824640245 is a wasteful number, since it uses less digits than its factorization.

824824640245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1094280.

The product of its (nonzero) digits is 3932160, while the sum is 49.

The spelling of 824824640245 in words is "eight hundred twenty-four billion, eight hundred twenty-four million, six hundred forty thousand, two hundred forty-five".