245552540205204 has 36 divisors (see below), whose sum is σ = 620702769878100. Its totient is φ = 81850778760960.

The previous prime is 245552540205121. The next prime is 245552540205239. The reversal of 245552540205204 is 402502045255542.

245552540205204 is a `hidden beast` number, since 2 + 4 + 5 + 5 + 52 + 54 + 0 + 20 + 520 + 4 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 111639088083600 + 133913452121604 = 10565940^2 + 11572098^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a self number, because there is not a number n which added to its sum of digits gives 245552540205204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 60548572 + ... + 64476620.

It is an arithmetic number, because the mean of its divisors is an integer number (17241743607725).

Almost surely, 2^{245552540205204} is an apocalyptic number.

It is an amenable number.

245552540205204 is an abundant number, since it is smaller than the sum of its proper divisors (375150229672896).

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

245552540205204 is a wasteful number, since it uses less digits than its factorization.

245552540205204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5664520 (or 5664515 counting only the distinct ones).

The product of its (nonzero) digits is 3200000, while the sum is 45.

The spelling of 245552540205204 in words is "two hundred forty-five trillion, five hundred fifty-two billion, five hundred forty million, two hundred five thousand, two hundred four".