4426478520 has 128 divisors (see below), whose sum is σ = 13455823680. Its totient is φ = 1164800000.

The previous prime is 4426478519. The next prime is 4426478543. The reversal of 4426478520 is 258746244.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6314170 + ... + 6314870.

Almost surely, 2^4426478520 is an apocalyptic number.

4426478520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4426478520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6727911840).

4426478520 is an abundant number, since it is smaller than the sum of its proper divisors (9029345160).

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

4426478520 is a wasteful number, since it uses less digits than its factorization.

4426478520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1337 (or 1333 counting only the distinct ones).

The product of its (nonzero) digits is 430080, while the sum is 42.

The square root of 4426478520 is about 66531.7857869455. The cubic root of 4426478520 is about 1641.9230020622.

The spelling of 4426478520 in words is "four billion, four hundred twenty-six million, four hundred seventy-eight thousand, five hundred twenty".