4478562920 has 64 divisors (see below), whose sum is σ = 10860711120. Its totient is φ = 1652281344.

The previous prime is 4478562919. The next prime is 4478562953. The reversal of 4478562920 is 292658744.

It can be written as a sum of positive squares in 8 ways, for example, as 1606246084 + 2872316836 = 40078^2 + 53594^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 827744 + ... + 833136.

Almost surely, 2^4478562920 is an apocalyptic number.

4478562920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4478562920 is an abundant number, since it is smaller than the sum of its proper divisors (6382148200).

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

4478562920 is a wasteful number, since it uses less digits than its factorization.

4478562920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7014 (or 7010 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 47.

The square root of 4478562920 is about 66922.0660171217. The cubic root of 4478562920 is about 1648.3378327189.

The spelling of 4478562920 in words is "four billion, four hundred seventy-eight million, five hundred sixty-two thousand, nine hundred twenty".