478134448 has 80 divisors (see below), whose sum is σ = 1039433472. Its totient is φ = 211232000.

The previous prime is 478134439. The next prime is 478134457. The reversal of 478134448 is 844431874.

It is an interprime number because it is at equal distance from previous prime (478134439) and next prime (478134457).

It is a super-2 number, since 2×478134448² = 457225100728529408, which contains 22 as substring.

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, 1036938 + ... + 1037398.

Almost surely, 2^478134448 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 478134448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (519716736).

478134448 is an abundant number, since it is smaller than the sum of its proper divisors (561299024).

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

478134448 is a wasteful number, since it uses less digits than its factorization.

478134448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 634 (or 628 counting only the distinct ones).

The product of its digits is 344064, while the sum is 43.

The square root of 478134448 is about 21866.2856470869. The cubic root of 478134448 is about 781.9578516583.

The spelling of 478134448 in words is "four hundred seventy-eight million, one hundred thirty-four thousand, four hundred forty-eight".