50151731280 has 320 divisors, whose sum is σ = 191976998400. Its totient is φ = 10788642816.

The previous prime is 50151731249. The next prime is 50151731281. The reversal of 50151731280 is 8213715105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50151731281) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1381522 + ... + 1417358.

It is an arithmetic number, because the mean of its divisors is an integer number (599928120).

Almost surely, 2^50151731280 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 50151731280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95988499200).

50151731280 is an abundant number, since it is smaller than the sum of its proper divisors (141825267120).

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

50151731280 is a wasteful number, since it uses less digits than its factorization.

50151731280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35891 (or 35871 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 33.

The spelling of 50151731280 in words is "fifty billion, one hundred fifty-one million, seven hundred thirty-one thousand, two hundred eighty".