1478888458 has 16 divisors (see below), whose sum is σ = 2250134280. Its totient is φ = 728856576.

The previous prime is 1478888447. The next prime is 1478888473. The reversal of 1478888458 is 8548888741.

It can be written as a sum of positive squares in 4 ways, for example, as 1467885969 + 11002489 = 38313^2 + 3317^2 .

It is a super-2 number, since 2×1478888458² = 4374222142411235528, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1478888396 and 1478888405.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 456388 + ... + 459616.

Almost surely, 2^1478888458 is an apocalyptic number.

1478888458 is a deficient number, since it is larger than the sum of its proper divisors (771245822).

1478888458 is a wasteful number, since it uses less digits than its factorization.

1478888458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6441.

The product of its digits is 18350080, while the sum is 61.

The square root of 1478888458 is about 38456.3188305901. The cubic root of 1478888458 is about 1139.3184748658.

The spelling of 1478888458 in words is "one billion, four hundred seventy-eight million, eight hundred eighty-eight thousand, four hundred fifty-eight".