206404152504 has 64 divisors (see below), whose sum is σ = 563234273280. Its totient is φ = 62511840000.

The previous prime is 206404152473. The next prime is 206404152523. The reversal of 206404152504 is 405251404602.

It is a Harshad number since it is a multiple of its sum of digits (33).

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, 258409 + ... + 692519.

It is an arithmetic number, because the mean of its divisors is an integer number (8800535520).

Almost surely, 2^206404152504 is an apocalyptic number.

206404152504 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

206404152504 is an abundant number, since it is smaller than the sum of its proper divisors (356830120776).

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

206404152504 is a wasteful number, since it uses less digits than its factorization.

206404152504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 435932 (or 435928 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 33.

The spelling of 206404152504 in words is "two hundred six billion, four hundred four million, one hundred fifty-two thousand, five hundred four".