50481851490 has 192 divisors, whose sum is σ = 152633505024. Its totient is φ = 11337283584.

The previous prime is 50481851443. The next prime is 50481851573. The reversal of 50481851490 is 9415818405.

It is a happy number.

50481851490 is a `hidden beast` number, since 5 + 0 + 4 + 81 + 85 + 1 + 490 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

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, 19288662 + ... + 19291278.

It is an arithmetic number, because the mean of its divisors is an integer number (794966172).

Almost surely, 2^50481851490 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50481851490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76316752512).

50481851490 is an abundant number, since it is smaller than the sum of its proper divisors (102151653534).

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

50481851490 is a wasteful number, since it uses less digits than its factorization.

50481851490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3161 (or 3158 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 45.

The spelling of 50481851490 in words is "fifty billion, four hundred eighty-one million, eight hundred fifty-one thousand, four hundred ninety".