485622780 has 48 divisors (see below), whose sum is σ = 1396500000. Its totient is φ = 125998848.

The previous prime is 485622763. The next prime is 485622793. The reversal of 485622780 is 87226584.

It is a happy number.

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, 107155 + ... + 111594.

It is an arithmetic number, because the mean of its divisors is an integer number (29093750).

Almost surely, 2^485622780 is an apocalyptic number.

It is an amenable number.

485622780 is an abundant number, since it is smaller than the sum of its proper divisors (910877220).

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

485622780 is a wasteful number, since it uses less digits than its factorization.

485622780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218798 (or 218796 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 42.

The square root of 485622780 is about 22036.8505009223. The cubic root of 485622780 is about 786.0189507827.

The spelling of 485622780 in words is "four hundred eighty-five million, six hundred twenty-two thousand, seven hundred eighty".