50269777920 has 624 divisors, whose sum is σ = 188234684352. Its totient is φ = 12362711040.

The previous prime is 50269777913. The next prime is 50269777997. The reversal of 50269777920 is 2977796205.

50269777920 is a `hidden beast` number, since 502 + 69 + 7 + 7 + 79 + 2 + 0 = 666.

It is a super-2 number, since 2×50269777920² (a number of 22 digits) contains 22 as substring.

It is a zygodrome in base 16.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 191139709 + ... + 191139971.

It is an arithmetic number, because the mean of its divisors is an integer number (301658148).

Almost surely, 2^50269777920 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 50269777920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94117342176).

50269777920 is an abundant number, since it is smaller than the sum of its proper divisors (137964906432).

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

50269777920 is a wasteful number, since it uses less digits than its factorization.

50269777920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376 (or 351 counting only the distinct ones).

The product of its (nonzero) digits is 3333960, while the sum is 54.

The spelling of 50269777920 in words is "fifty billion, two hundred sixty-nine million, seven hundred seventy-seven thousand, nine hundred twenty".