4478514432 has 72 divisors (see below), whose sum is σ = 13622164416. Its totient is φ = 1279574016.

The previous prime is 4478514431. The next prime is 4478514463. The reversal of 4478514432 is 2344158744.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4478514431) 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, 411153 + ... + 421904.

It is an arithmetic number, because the mean of its divisors is an integer number (189196728).

Almost surely, 2^4478514432 is an apocalyptic number.

4478514432 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

4478514432 is an abundant number, since it is smaller than the sum of its proper divisors (9143649984).

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

4478514432 is an equidigital number, since it uses as much as digits as its factorization.

4478514432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 833083 (or 833069 counting only the distinct ones).

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

The square root of 4478514432 is about 66921.7037440022. The cubic root of 4478514432 is about 1648.3318840181.

The spelling of 4478514432 in words is "four billion, four hundred seventy-eight million, five hundred fourteen thousand, four hundred thirty-two".