478655742 has 16 divisors (see below), whose sum is σ = 959283072. Its totient is φ = 159223320.

The previous prime is 478655711. The next prime is 478655743. The reversal of 478655742 is 247556874.

It is a super-2 number, since 2×478655742² = 458222638699141128, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 478655691 and 478655700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (478655743) 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, 78984 + ... + 84827.

It is an arithmetic number, because the mean of its divisors is an integer number (59955192).

Almost surely, 2^478655742 is an apocalyptic number.

478655742 is an abundant number, since it is smaller than the sum of its proper divisors (480627330).

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

478655742 is a wasteful number, since it uses less digits than its factorization.

478655742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164303.

The product of its digits is 1881600, while the sum is 48.

The square root of 478655742 is about 21878.2024398715. The cubic root of 478655742 is about 782.2419292756.

The spelling of 478655742 in words is "four hundred seventy-eight million, six hundred fifty-five thousand, seven hundred forty-two".