4265725440 has 160 divisors (see below), whose sum is σ = 13830829056. Its totient is φ = 1121361920.

The previous prime is 4265725439. The next prime is 4265725463. The reversal of 4265725440 is 445275624.

It is a tau number, because it is divible by the number of its divisors (160).

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, 541369 + ... + 549191.

Almost surely, 2^4265725440 is an apocalyptic number.

4265725440 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 4265725440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6915414528).

4265725440 is an abundant number, since it is smaller than the sum of its proper divisors (9565103616).

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

4265725440 is an equidigital number, since it uses as much as digits as its factorization.

4265725440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7920 (or 7904 counting only the distinct ones).

The product of its (nonzero) digits is 268800, while the sum is 39.

The square root of 4265725440 is about 65312.5213110013. The cubic root of 4265725440 is about 1621.8012581587.

The spelling of 4265725440 in words is "four billion, two hundred sixty-five million, seven hundred twenty-five thousand, four hundred forty".