490490512220 has 24 divisors (see below), whose sum is σ = 1030923471984. Its totient is φ = 196026034176.

The previous prime is 490490512133. The next prime is 490490512277. The reversal of 490490512220 is 22215094094.

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, 10612034 + ... + 10658153.

It is an arithmetic number, because the mean of its divisors is an integer number (42955144666).

Almost surely, 2^490490512220 is an apocalyptic number.

It is an amenable number.

490490512220 is an abundant number, since it is smaller than the sum of its proper divisors (540432959764).

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

490490512220 is a wasteful number, since it uses less digits than its factorization.

490490512220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21271349 (or 21271347 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 38.

The spelling of 490490512220 in words is "four hundred ninety billion, four hundred ninety million, five hundred twelve thousand, two hundred twenty".