50660402400 has 288 divisors, whose sum is σ = 186230268000. Its totient is φ = 13287628800.

The previous prime is 50660402371. The next prime is 50660402413. The reversal of 50660402400 is 420406605.

It is a happy number.

50660402400 is a `hidden beast` number, since 50 + 6 + 604 + 0 + 2 + 4 + 0 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (288).

It is a Harshad number since it is a multiple of its sum of digits (27).

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 47 ways as a sum of consecutive naturals, for example, 1298376 + ... + 1336824.

It is an arithmetic number, because the mean of its divisors is an integer number (646632875).

Almost surely, 2^50660402400 is an apocalyptic number.

50660402400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50660402400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93115134000).

50660402400 is an abundant number, since it is smaller than the sum of its proper divisors (135569865600).

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

50660402400 is a wasteful number, since it uses less digits than its factorization.

50660402400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38539 (or 38520 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The spelling of 50660402400 in words is "fifty billion, six hundred sixty million, four hundred two thousand, four hundred".