490785420 has 24 divisors (see below), whose sum is σ = 1374199344. Its totient is φ = 130876096.

The previous prime is 490785403. The next prime is 490785437. The reversal of 490785420 is 24587094.

It is an interprime number because it is at equal distance from previous prime (490785403) and next prime (490785437).

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, 4089819 + ... + 4089938.

It is an arithmetic number, because the mean of its divisors is an integer number (57258306).

Almost surely, 2^490785420 is an apocalyptic number.

It is an amenable number.

490785420 is an abundant number, since it is smaller than the sum of its proper divisors (883413924).

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

490785420 is a wasteful number, since it uses less digits than its factorization.

490785420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8179769 (or 8179767 counting only the distinct ones).

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

The square root of 490785420 is about 22153.6773471133. The cubic root of 490785420 is about 788.7945188827.

The spelling of 490785420 in words is "four hundred ninety million, seven hundred eighty-five thousand, four hundred twenty".