50152779987840 has 512 divisors, whose sum is σ = 187221003264000. Its totient is φ = 12653375938560.

The previous prime is 50152779987823. The next prime is 50152779987889. The reversal of 50152779987840 is 4878997725105.

50152779987840 is a `hidden beast` number, since 5 + 0 + 1 + 527 + 7 + 9 + 98 + 7 + 8 + 4 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 248437345 + ... + 248639135.

It is an arithmetic number, because the mean of its divisors is an integer number (365666022000).

Almost surely, 2^{50152779987840} 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 50152779987840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93610501632000).

50152779987840 is an abundant number, since it is smaller than the sum of its proper divisors (137068223276160).

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

50152779987840 is a wasteful number, since it uses less digits than its factorization.

50152779987840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202595 (or 202577 counting only the distinct ones).

The product of its (nonzero) digits is 355622400, while the sum is 72.

The spelling of 50152779987840 in words is "fifty trillion, one hundred fifty-two billion, seven hundred seventy-nine million, nine hundred eighty-seven thousand, eight hundred forty".