4255425440 has 192 divisors, whose sum is σ = 12152125440. Its totient is φ = 1375626240.

The previous prime is 4255425409. The next prime is 4255425443. The reversal of 4255425440 is 445245524.

4255425440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 4255425440.

It is not an unprimeable number, because it can be changed into a prime (4255425443) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6617759 + ... + 6618401.

It is an arithmetic number, because the mean of its divisors is an integer number (63292320).

Almost surely, 2^4255425440 is an apocalyptic number.

4255425440 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 4255425440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6076062720).

4255425440 is an abundant number, since it is smaller than the sum of its proper divisors (7896700000).

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

4255425440 is a wasteful number, since it uses less digits than its factorization.

4255425440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 995 (or 987 counting only the distinct ones).

The product of its (nonzero) digits is 128000, while the sum is 35.

The square root of 4255425440 is about 65233.6220058338. The cubic root of 4255425440 is about 1620.4948749757.

The spelling of 4255425440 in words is "four billion, two hundred fifty-five million, four hundred twenty-five thousand, four hundred forty".