490741045 has 16 divisors (see below), whose sum is σ = 620699760. Its totient is φ = 371897344.

The previous prime is 490741039. The next prime is 490741049. The reversal of 490741045 is 540147094.

It can be written as a sum of positive squares in 8 ways, for example, as 9947716 + 480793329 = 3154^2 + 21927^2 .

It is a cyclic number.

It is not a de Polignac number, because 490741045 - 2³ = 490741037 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 490741045.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (490741049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24244 + ... + 39613.

It is an arithmetic number, because the mean of its divisors is an integer number (38793735).

Almost surely, 2^490741045 is an apocalyptic number.

It is an amenable number.

490741045 is a deficient number, since it is larger than the sum of its proper divisors (129958715).

490741045 is a wasteful number, since it uses less digits than its factorization.

490741045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63944.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 490741045 is about 22152.6757977451. The cubic root of 490741045 is about 788.7707448731.

The spelling of 490741045 in words is "four hundred ninety million, seven hundred forty-one thousand, forty-five".