478134436 has 24 divisors (see below), whose sum is σ = 902543544. Its totient is φ = 220323840.

The previous prime is 478134427. The next prime is 478134439. The reversal of 478134436 is 634431874.

It can be written as a sum of positive squares in 4 ways, for example, as 26316900 + 451817536 = 5130^2 + 21256^2 .

It is a super-2 number, since 2×478134436² = 457225077778076192, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (478134439) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26916 + ... + 40996.

It is an arithmetic number, because the mean of its divisors is an integer number (37605981).

Almost surely, 2^478134436 is an apocalyptic number.

It is an amenable number.

478134436 is a deficient number, since it is larger than the sum of its proper divisors (424409108).

478134436 is a wasteful number, since it uses less digits than its factorization.

478134436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14751 (or 14749 counting only the distinct ones).

The product of its digits is 193536, while the sum is 40.

The square root of 478134436 is about 21866.2853726919. The cubic root of 478134436 is about 781.9578451165.

The spelling of 478134436 in words is "four hundred seventy-eight million, one hundred thirty-four thousand, four hundred thirty-six".