1478258464 has 24 divisors (see below), whose sum is σ = 2911207068. Its totient is φ = 738904320.

The previous prime is 1478258437. The next prime is 1478258489. The reversal of 1478258464 is 4648528741.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1376410000 + 101848464 = 37100^2 + 10092^2 .

It is an unprimeable number.

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, 163174 + ... + 171994.

Almost surely, 2^1478258464 is an apocalyptic number.

It is an amenable number.

1478258464 is a deficient number, since it is larger than the sum of its proper divisors (1432948604).

1478258464 is an equidigital number, since it uses as much as digits as its factorization.

1478258464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14068 (or 14060 counting only the distinct ones).

The product of its digits is 1720320, while the sum is 49.

The square root of 1478258464 is about 38448.1269244680. The cubic root of 1478258464 is about 1139.1566718703.

The spelling of 1478258464 in words is "one billion, four hundred seventy-eight million, two hundred fifty-eight thousand, four hundred sixty-four".