4423578440 has 16 divisors (see below), whose sum is σ = 9953051580. Its totient is φ = 1769431360.

The previous prime is 4423578433. The next prime is 4423578443. The reversal of 4423578440 is 448753244.

It can be written as a sum of positive squares in 2 ways, for example, as 4395424804 + 28153636 = 66298^2 + 5306^2 .

It is not an unprimeable number, because it can be changed into a prime (4423578443) 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, 55294691 + ... + 55294770.

Almost surely, 2^4423578440 is an apocalyptic number.

4423578440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4423578440 is an abundant number, since it is smaller than the sum of its proper divisors (5529473140).

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

4423578440 is a wasteful number, since it uses less digits than its factorization.

4423578440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110589472 (or 110589468 counting only the distinct ones).

The product of its (nonzero) digits is 430080, while the sum is 41.

The square root of 4423578440 is about 66509.9875206724. The cubic root of 4423578440 is about 1641.5643461298.

The spelling of 4423578440 in words is "four billion, four hundred twenty-three million, five hundred seventy-eight thousand, four hundred forty".