50191874430 has 96 divisors (see below), whose sum is σ = 126704704896. Its totient is φ = 12723365952.

The previous prime is 50191874429. The next prime is 50191874437. The reversal of 50191874430 is 3447819105.

It is a happy number.

It is a super-3 number, since 3×50191874430³ (a number of 33 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50191874437) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2577109 + ... + 2596511.

It is an arithmetic number, because the mean of its divisors is an integer number (1319840676).

Almost surely, 2^50191874430 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50191874430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63352352448).

50191874430 is an abundant number, since it is smaller than the sum of its proper divisors (76512830466).

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

50191874430 is a wasteful number, since it uses less digits than its factorization.

50191874430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19622 (or 19599 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 42.

The spelling of 50191874430 in words is "fifty billion, one hundred ninety-one million, eight hundred seventy-four thousand, four hundred thirty".