490275840 has 176 divisors, whose sum is σ = 1597642560. Its totient is φ = 128286720.

The previous prime is 490275839. The next prime is 490275857. The reversal of 490275840 is 48572094.

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, 905970 + ... + 906510.

Almost surely, 2^490275840 is an apocalyptic number.

490275840 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 490275840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (798821280).

490275840 is an abundant number, since it is smaller than the sum of its proper divisors (1107366720).

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

490275840 is a wasteful number, since it uses less digits than its factorization.

490275840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 628 (or 610 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 39.

The square root of 490275840 is about 22142.1733350636. The cubic root of 490275840 is about 788.5214239003.

The spelling of 490275840 in words is "four hundred ninety million, two hundred seventy-five thousand, eight hundred forty".