490741240 has 32 divisors (see below), whose sum is σ = 1204547760. Its totient is φ = 178451200.

The previous prime is 490741211. The next prime is 490741309. The reversal of 490741240 is 42147094.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 557221 + ... + 558100.

Almost surely, 2^490741240 is an apocalyptic number.

490741240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

490741240 is an abundant number, since it is smaller than the sum of its proper divisors (713806520).

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

490741240 is a wasteful number, since it uses less digits than its factorization.

490741240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1115343 (or 1115339 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 490741240 is about 22152.6801990188. The cubic root of 490741240 is about 788.7708493480.

The spelling of 490741240 in words is "four hundred ninety million, seven hundred forty-one thousand, two hundred forty".