50169559440 has 480 divisors, whose sum is σ = 212553645696. Its totient is φ = 9622609920.

The previous prime is 50169559421. The next prime is 50169559487. The reversal of 50169559440 is 4495596105.

It is a super-2 number, since 2×50169559440² (a number of 22 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 50169559440.

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 95 ways as a sum of consecutive naturals, for example, 1666764 + ... + 1696596.

Almost surely, 2^50169559440 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50169559440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (106276822848).

50169559440 is an abundant number, since it is smaller than the sum of its proper divisors (162384086256).

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

50169559440 is a wasteful number, since it uses less digits than its factorization.

50169559440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29887 (or 29874 counting only the distinct ones).

The product of its (nonzero) digits is 972000, while the sum is 48.

The spelling of 50169559440 in words is "fifty billion, one hundred sixty-nine million, five hundred fifty-nine thousand, four hundred forty".