490020245 has 64 divisors (see below), whose sum is σ = 718066944. Its totient is φ = 316293120.

The previous prime is 490020169. The next prime is 490020247. The reversal of 490020245 is 542020094.

It is not a de Polignac number, because 490020245 - 2¹⁶ = 489954709 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (490020247) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2538869 + ... + 2539061.

It is an arithmetic number, because the mean of its divisors is an integer number (11219796).

Almost surely, 2^490020245 is an apocalyptic number.

It is an amenable number.

490020245 is a deficient number, since it is larger than the sum of its proper divisors (228046699).

490020245 is a wasteful number, since it uses less digits than its factorization.

490020245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 490020245 is about 22136.4009043927. The cubic root of 490020245 is about 788.3843737269.

The spelling of 490020245 in words is "four hundred ninety million, twenty thousand, two hundred forty-five".