50066644992 has 448 divisors, whose sum is σ = 167459948544. Its totient is φ = 12952535040.

The previous prime is 50066644879. The next prime is 50066645009. The reversal of 50066644992 is 29944666005.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (448).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 136421193 + ... + 136421559.

It is an arithmetic number, because the mean of its divisors is an integer number (373794528).

Almost surely, 2^50066644992 is an apocalyptic number.

50066644992 is a gapful number since it is divisible by the number (52) 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 50066644992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83729974272).

50066644992 is an abundant number, since it is smaller than the sum of its proper divisors (117393303552).

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

50066644992 is a wasteful number, since it uses less digits than its factorization.

50066644992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 477 (or 453 counting only the distinct ones).

The product of its (nonzero) digits is 2799360, while the sum is 51.

The spelling of 50066644992 in words is "fifty billion, sixty-six million, six hundred forty-four thousand, nine hundred ninety-two".