490866491622 has 16 divisors (see below), whose sum is σ = 1057250905200. Its totient is φ = 151035843552.

The previous prime is 490866491429. The next prime is 490866491623. The reversal of 490866491622 is 226194668094.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (490866491623) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3146579997 + ... + 3146580152.

It is an arithmetic number, because the mean of its divisors is an integer number (66078181575).

Almost surely, 2^490866491622 is an apocalyptic number.

490866491622 is an abundant number, since it is smaller than the sum of its proper divisors (566384413578).

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

490866491622 is a wasteful number, since it uses less digits than its factorization.

490866491622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6293160167.

The product of its (nonzero) digits is 8957952, while the sum is 57.

The spelling of 490866491622 in words is "four hundred ninety billion, eight hundred sixty-six million, four hundred ninety-one thousand, six hundred twenty-two".