490912240 has 80 divisors (see below), whose sum is σ = 1404785088. Its totient is φ = 155363328.

The previous prime is 490912183. The next prime is 490912297. The reversal of 490912240 is 42219094.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (490912183) and next prime (490912297).

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26437 + ... + 40996.

Almost surely, 2^490912240 is an apocalyptic number.

490912240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

490912240 is an abundant number, since it is smaller than the sum of its proper divisors (913872848).

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

490912240 is a wasteful number, since it uses less digits than its factorization.

490912240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67466 (or 67460 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 490912240 is about 22156.5394409867. The cubic root of 490912240 is about 788.8624550938.

The spelling of 490912240 in words is "four hundred ninety million, nine hundred twelve thousand, two hundred forty".