490740790250 has 16 divisors (see below), whose sum is σ = 918666759816.
Its totient is φ = 196296316000.
The previous prime is 490740790249. The next prime is 490740790261. The reversal of 490740790250 is 52097047094.
It can be written as a sum of positive squares in 4 ways, for example, as 80614541329 + 410126248921 = 283927^2 + 640411^2
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 490740790195 and 490740790204.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 981481331 + ... + 981481830.
Almost surely, 2490740790250 is an apocalyptic number.
490740790250 is a deficient number, since it is larger than the sum of its proper divisors (427925969566).
490740790250 is a wasteful number, since it uses less digits than its factorization.
490740790250 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1962963178 (or 1962963168 counting only the distinct ones).
The product of its (nonzero) digits is 635040, while the sum is 47.
The spelling of 490740790250 in words is "four hundred ninety billion, seven hundred forty million, seven hundred ninety thousand, two hundred fifty".