4345253240 has 64 divisors (see below), whose sum is σ = 9959004000. Its totient is φ = 1705812480.

The previous prime is 4345253191. The next prime is 4345253351. The reversal of 4345253240 is 423525434.

It is a junction number, because it is equal to n+sod(n) for n = 4345253197 and 4345253206.

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, 1955330 + ... + 1957550.

Almost surely, 2^4345253240 is an apocalyptic number.

4345253240 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 4345253240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4979502000).

4345253240 is an abundant number, since it is smaller than the sum of its proper divisors (5613750760).

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

4345253240 is a wasteful number, since it uses less digits than its factorization.

4345253240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3120 (or 3116 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 32.

The square root of 4345253240 is about 65918.5348744949. The cubic root of 4345253240 is about 1631.8179172979.

Adding to 4345253240 its reverse (423525434), we get a palindrome (4768778674).

The spelling of 4345253240 in words is "four billion, three hundred forty-five million, two hundred fifty-three thousand, two hundred forty".