497800980 has 72 divisors (see below), whose sum is σ = 1512928872. Its totient is φ = 132489216.

The previous prime is 497800949. The next prime is 497801009. The reversal of 497800980 is 89008794.

497800980 is a `hidden beast` number, since 497 + 80 + 0 + 9 + 80 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 294053904 + 203747076 = 17148^2 + 14274^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

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 23 ways as a sum of consecutive naturals, for example, 101464 + ... + 106256.

It is an arithmetic number, because the mean of its divisors is an integer number (21012901).

Almost surely, 2^497800980 is an apocalyptic number.

It is an amenable number.

497800980 is an abundant number, since it is smaller than the sum of its proper divisors (1015127892).

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

497800980 is a wasteful number, since it uses less digits than its factorization.

497800980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5385 (or 5380 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The square root of 497800980 is about 22311.4540090959. The cubic root of 497800980 is about 792.5352404329.

The spelling of 497800980 in words is "four hundred ninety-seven million, eight hundred thousand, nine hundred eighty".