1478452456 has 64 divisors (see below), whose sum is σ = 3087176400. Its totient is φ = 659404800.

The previous prime is 1478452441. The next prime is 1478452463. The reversal of 1478452456 is 6542548741.

It can be written as a sum of positive squares in 8 ways, for example, as 35212356 + 1443240100 = 5934^2 + 37990^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 463186 + ... + 466366.

Almost surely, 2^1478452456 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1478452456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1543588200).

1478452456 is an abundant number, since it is smaller than the sum of its proper divisors (1608723944).

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

1478452456 is a wasteful number, since it uses less digits than its factorization.

1478452456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3350 (or 3346 counting only the distinct ones).

The product of its digits is 1075200, while the sum is 46.

The square root of 1478452456 is about 38450.6496173992. The cubic root of 1478452456 is about 1139.2065002371.

The spelling of 1478452456 in words is "one billion, four hundred seventy-eight million, four hundred fifty-two thousand, four hundred fifty-six".