494622780 has 24 divisors (see below), whose sum is σ = 1384943952. Its totient is φ = 131899392.

The previous prime is 494622767. The next prime is 494622853. The reversal of 494622780 is 87226494.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4121797 + ... + 4121916.

It is an arithmetic number, because the mean of its divisors is an integer number (57705998).

Almost surely, 2^494622780 is an apocalyptic number.

It is an amenable number.

494622780 is an abundant number, since it is smaller than the sum of its proper divisors (890321172).

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

494622780 is a wasteful number, since it uses less digits than its factorization.

494622780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8243725 (or 8243723 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 42.

The square root of 494622780 is about 22240.1164565296. The cubic root of 494622780 is about 790.8449966196.

The spelling of 494622780 in words is "four hundred ninety-four million, six hundred twenty-two thousand, seven hundred eighty".