478132780 has 12 divisors (see below), whose sum is σ = 1004078880. Its totient is φ = 191253104.

The previous prime is 478132757. The next prime is 478132789. The reversal of 478132780 is 87231874.

It is a super-2 number, since 2×478132780² = 457221910621056800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (478132789) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11953300 + ... + 11953339.

It is an arithmetic number, because the mean of its divisors is an integer number (83673240).

Almost surely, 2^478132780 is an apocalyptic number.

It is an amenable number.

478132780 is an abundant number, since it is smaller than the sum of its proper divisors (525946100).

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

478132780 is a wasteful number, since it uses less digits than its factorization.

478132780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23906648 (or 23906646 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 40.

The square root of 478132780 is about 21866.2475061452. The cubic root of 478132780 is about 781.9569423553.

The spelling of 478132780 in words is "four hundred seventy-eight million, one hundred thirty-two thousand, seven hundred eighty".