490444040 has 16 divisors (see below), whose sum is σ = 1103499180. Its totient is φ = 196177600.

The previous prime is 490443983. The next prime is 490444043. The reversal of 490444040 is 40444094.

It can be written as a sum of positive squares in 2 ways, for example, as 400080004 + 90364036 = 20002^2 + 9506^2 .

It is a junction number, because it is equal to n+sod(n) for n = 490443994 and 490444012.

It is not an unprimeable number, because it can be changed into a prime (490444043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6130511 + ... + 6130590.

Almost surely, 2^490444040 is an apocalyptic number.

490444040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

490444040 is an abundant number, since it is smaller than the sum of its proper divisors (613055140).

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

490444040 is a wasteful number, since it uses less digits than its factorization.

490444040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12261112 (or 12261108 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 29.

The square root of 490444040 is about 22145.9711911670. The cubic root of 490444040 is about 788.6115868443.

The spelling of 490444040 in words is "four hundred ninety million, four hundred forty-four thousand, forty".