4455725720 has 64 divisors (see below), whose sum is σ = 10614348000. Its totient is φ = 1678675968.

The previous prime is 4455725711. The next prime is 4455725731. The reversal of 4455725720 is 275275544.

It is a congruent number.

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, 114536 + ... + 148424.

Almost surely, 2^4455725720 is an apocalyptic number.

4455725720 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 4455725720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5307174000).

4455725720 is an abundant number, since it is smaller than the sum of its proper divisors (6158622280).

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

4455725720 is a wasteful number, since it uses less digits than its factorization.

4455725720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34092 (or 34088 counting only the distinct ones).

The product of its (nonzero) digits is 392000, while the sum is 41.

The square root of 4455725720 is about 66751.2226105260. Note that the first 3 decimals coincide. The cubic root of 4455725720 is about 1645.5313084389.

The spelling of 4455725720 in words is "four billion, four hundred fifty-five million, seven hundred twenty-five thousand, seven hundred twenty".