1478865466 has 24 divisors (see below), whose sum is σ = 2434981500. Its totient is φ = 669641856.

The previous prime is 1478865439. The next prime is 1478865497. The reversal of 1478865466 is 6645688741.

It can be written as a sum of positive squares in 6 ways, for example, as 633277225 + 845588241 = 25165^2 + 29079^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 62910 + ... + 83158.

Almost surely, 2^1478865466 is an apocalyptic number.

1478865466 is a deficient number, since it is larger than the sum of its proper divisors (956116034).

1478865466 is a wasteful number, since it uses less digits than its factorization.

1478865466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20370 (or 20317 counting only the distinct ones).

The product of its digits is 7741440, while the sum is 55.

The square root of 1478865466 is about 38456.0198928594. The cubic root of 1478865466 is about 1139.3125705787.

The spelling of 1478865466 in words is "one billion, four hundred seventy-eight million, eight hundred sixty-five thousand, four hundred sixty-six".