50205660400 has 120 divisors (see below), whose sum is σ = 143844079104. Its totient is φ = 16464940800.

The previous prime is 50205660391. The next prime is 50205660437. The reversal of 50205660400 is 406650205.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 325396 + ... + 454195.

Almost surely, 2^50205660400 is an apocalyptic number.

50205660400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

50205660400 is an abundant number, since it is smaller than the sum of its proper divisors (93638418704).

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

50205660400 is a wasteful number, since it uses less digits than its factorization.

50205660400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 779639 (or 779628 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

The spelling of 50205660400 in words is "fifty billion, two hundred five million, six hundred sixty thousand, four hundred".