819485260 has 24 divisors (see below), whose sum is σ = 1877366736. Its totient is φ = 297994560.

The previous prime is 819485237. The next prime is 819485267. The reversal of 819485260 is 62584918.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (819485267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1862247 + ... + 1862686.

It is an arithmetic number, because the mean of its divisors is an integer number (78223614).

Almost surely, 2^819485260 is an apocalyptic number.

It is an amenable number.

819485260 is an abundant number, since it is smaller than the sum of its proper divisors (1057881476).

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

819485260 is a wasteful number, since it uses less digits than its factorization.

819485260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3724953 (or 3724951 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 43.

The square root of 819485260 is about 28626.6529653748. The cubic root of 819485260 is about 935.7942710851.

The spelling of 819485260 in words is "eight hundred nineteen million, four hundred eighty-five thousand, two hundred sixty".