478056441 has 4 divisors (see below), whose sum is σ = 637408592. Its totient is φ = 318704292.

The previous prime is 478056427. The next prime is 478056479. The reversal of 478056441 is 144650874.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 478056441 - 2⁶ = 478056377 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 478056441.

It is not an unprimeable number, because it can be changed into a prime (478056401) 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, 79676071 + ... + 79676076.

It is an arithmetic number, because the mean of its divisors is an integer number (159352148).

Almost surely, 2^478056441 is an apocalyptic number.

It is an amenable number.

478056441 is a deficient number, since it is larger than the sum of its proper divisors (159352151).

478056441 is a wasteful number, since it uses less digits than its factorization.

478056441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159352150.

The product of its (nonzero) digits is 107520, while the sum is 39.

The square root of 478056441 is about 21864.5018466006. The cubic root of 478056441 is about 781.9153242172.

The spelling of 478056441 in words is "four hundred seventy-eight million, fifty-six thousand, four hundred forty-one".