487842121550 has 24 divisors (see below), whose sum is σ = 1037012967696. Its totient is φ = 167260155840.

The previous prime is 487842121537. The next prime is 487842121553. The reversal of 487842121550 is 55121248784.

It is a junction number, because it is equal to n+sod(n) for n = 487842121495 and 487842121504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (487842121553) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 696916967 + ... + 696917666.

It is an arithmetic number, because the mean of its divisors is an integer number (43208873654).

Almost surely, 2^487842121550 is an apocalyptic number.

487842121550 is an abundant number, since it is smaller than the sum of its proper divisors (549170846146).

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

487842121550 is a wasteful number, since it uses less digits than its factorization.

487842121550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1393834652 (or 1393834647 counting only the distinct ones).

The product of its (nonzero) digits is 716800, while the sum is 47.

The spelling of 487842121550 in words is "four hundred eighty-seven billion, eight hundred forty-two million, one hundred twenty-one thousand, five hundred fifty".