47019618450 has 432 divisors, whose sum is σ = 154467747360. Its totient is φ = 10484147520.

The previous prime is 47019618449. The next prime is 47019618467. The reversal of 47019618450 is 5481691074.

47019618450 is a `hidden beast` number, since 4 + 7 + 0 + 196 + 1 + 8 + 450 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 47019618396 and 47019618405.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 215 ways as a sum of consecutive naturals, for example, 456501099 + ... + 456501201.

It is an arithmetic number, because the mean of its divisors is an integer number (357564230).

Almost surely, 2^47019618450 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47019618450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77233873680).

47019618450 is an abundant number, since it is smaller than the sum of its proper divisors (107448128910).

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

47019618450 is a wasteful number, since it uses less digits than its factorization.

47019618450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308 (or 187 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 45.

The spelling of 47019618450 in words is "forty-seven billion, nineteen million, six hundred eighteen thousand, four hundred fifty".