4487454720 has 672 divisors, whose sum is σ = 18646737408. Its totient is φ = 976748544.

The previous prime is 4487454701. The next prime is 4487454739. The reversal of 4487454720 is 274547844.

4487454720 is a `hidden beast` number, since 4 + 4 + 87 + 4 + 547 + 20 = 666.

It is an interprime number because it is at equal distance from previous prime (4487454701) and next prime (4487454739).

It is a tau number, because it is divible by the number of its divisors (672).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 95477737 + ... + 95477783.

Almost surely, 2^4487454720 is an apocalyptic number.

4487454720 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 4487454720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9323368704).

4487454720 is an abundant number, since it is smaller than the sum of its proper divisors (14159282688).

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

4487454720 is a wasteful number, since it uses less digits than its factorization.

4487454720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128 (or 101 counting only the distinct ones).

The product of its (nonzero) digits is 1003520, while the sum is 45.

The square root of 4487454720 is about 66988.4670671004. The cubic root of 4487454720 is about 1649.4279890498.

The spelling of 4487454720 in words is "four billion, four hundred eighty-seven million, four hundred fifty-four thousand, seven hundred twenty".