490000050 has 192 divisors, whose sum is σ = 1445621760. Its totient is φ = 121746240.

The previous prime is 490000031. The next prime is 490000057. The reversal of 490000050 is 50000094.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 489999978 and 490000032.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (490000057) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1334967 + ... + 1335333.

It is an arithmetic number, because the mean of its divisors is an integer number (7529280).

Almost surely, 2^490000050 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 490000050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (722810880).

490000050 is an abundant number, since it is smaller than the sum of its proper divisors (955621710).

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

490000050 is a wasteful number, since it uses less digits than its factorization.

490000050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 454 (or 443 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 490000050 is about 22135.9447505635. The cubic root of 490000050 is about 788.3735431259.

The spelling of 490000050 in words is "four hundred ninety million, fifty", and thus it is an aban number.