490000004 has 72 divisors (see below), whose sum is σ = 988498560. Its totient is φ = 211159872.

The previous prime is 490000003. The next prime is 490000013. The reversal of 490000004 is 400000094.

It is not an unprimeable number, because it can be changed into a prime (490000001) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1292687 + ... + 1293065.

Almost surely, 2^490000004 is an apocalyptic number.

It is an amenable number.

490000004 is an abundant number, since it is smaller than the sum of its proper divisors (498498556).

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

490000004 is a wasteful number, since it uses less digits than its factorization.

490000004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 489 (or 464 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 490000004 is about 22135.9437115294. The cubic root of 490000004 is about 788.3735184558.

Adding to 490000004 its reverse (400000094), we get a palindrome (890000098).

It can be divided in two parts, 49000000 and 4, that multiplied together give a square (196000000 = 14000²).

The spelling of 490000004 in words is "four hundred ninety million, four", and thus it is an aban number.