4252343440 has 80 divisors (see below), whose sum is σ = 10075248000. Its totient is φ = 1668750336.

The previous prime is 4252343423. The next prime is 4252343441. The reversal of 4252343440 is 443432524.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×4252343440² = 36164849463422067200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4252343441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1160331 + ... + 1163989.

It is an arithmetic number, because the mean of its divisors is an integer number (125940600).

Almost surely, 2^4252343440 is an apocalyptic number.

4252343440 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 4252343440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5037624000).

4252343440 is an abundant number, since it is smaller than the sum of its proper divisors (5822904560).

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

4252343440 is a wasteful number, since it uses less digits than its factorization.

4252343440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3944 (or 3938 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 31.

The square root of 4252343440 is about 65209.9949394263. The cubic root of 4252343440 is about 1620.1035649891.

Adding to 4252343440 its reverse (443432524), we get a palindrome (4695775964).

The spelling of 4252343440 in words is "four billion, two hundred fifty-two million, three hundred forty-three thousand, four hundred forty".