50911929329840 has 40 divisors (see below), whose sum is σ = 118465927301040. Its totient is φ = 20348308659456.

The previous prime is 50911929329827. The next prime is 50911929329857. The reversal of 50911929329840 is 4892392911905.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 257135930 + ... + 257333849.

It is an arithmetic number, because the mean of its divisors is an integer number (2961648182526).

Almost surely, 2^{50911929329840} is an apocalyptic number.

It is an amenable number.

50911929329840 is an abundant number, since it is smaller than the sum of its proper divisors (67553997971200).

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

50911929329840 is a wasteful number, since it uses less digits than its factorization.

50911929329840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 514471029 (or 514471023 counting only the distinct ones).

The product of its (nonzero) digits is 12597120, while the sum is 62.

The spelling of 50911929329840 in words is "fifty trillion, nine hundred eleven billion, nine hundred twenty-nine million, three hundred twenty-nine thousand, eight hundred forty".