4478420331 has 24 divisors (see below), whose sum is σ = 8065035264. Its totient is φ = 2326451760.

The previous prime is 4478420291. The next prime is 4478420369. The reversal of 4478420331 is 1330248744.

4478420331 is a `hidden beast` number, since 447 + 8 + 4 + 203 + 3 + 1 = 666.

It is not a de Polignac number, because 4478420331 - 2⁶ = 4478420267 is a prime.

It is a super-2 number, since 2×4478420331² = 40112497322228299122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4478420371) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3230491 + ... + 3231876.

It is an arithmetic number, because the mean of its divisors is an integer number (336043136).

Almost surely, 2^4478420331 is an apocalyptic number.

4478420331 is a deficient number, since it is larger than the sum of its proper divisors (3586614933).

4478420331 is a wasteful number, since it uses less digits than its factorization.

4478420331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6462391 (or 6462388 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 36.

The square root of 4478420331 is about 66921.0006724347. Note that the first 3 decimals coincide. The cubic root of 4478420331 is about 1648.3203392103.

The spelling of 4478420331 in words is "four billion, four hundred seventy-eight million, four hundred twenty thousand, three hundred thirty-one".