486678440 has 16 divisors (see below), whose sum is σ = 1095026580. Its totient is φ = 194671360.

The previous prime is 486678421. The next prime is 486678443. The reversal of 486678440 is 44876684.

It can be written as a sum of positive squares in 2 ways, for example, as 478646884 + 8031556 = 21878^2 + 2834^2 .

It is a super-3 number, since 3×486678440³ (a number of 27 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (486678443) 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 3 ways as a sum of consecutive naturals, for example, 6083441 + ... + 6083520.

Almost surely, 2^486678440 is an apocalyptic number.

486678440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

486678440 is an abundant number, since it is smaller than the sum of its proper divisors (608348140).

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

486678440 is a wasteful number, since it uses less digits than its factorization.

486678440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12166972 (or 12166968 counting only the distinct ones).

The product of its (nonzero) digits is 1032192, while the sum is 47.

The square root of 486678440 is about 22060.7896504182. The cubic root of 486678440 is about 786.5880950285.

The spelling of 486678440 in words is "four hundred eighty-six million, six hundred seventy-eight thousand, four hundred forty".