3452253240 has 128 divisors (see below), whose sum is σ = 10993320000. Its totient is φ = 864288768.

The previous prime is 3452253227. The next prime is 3452253269. The reversal of 3452253240 is 423522543.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 3452253198 and 3452253207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 914076 + ... + 917844.

Almost surely, 2^3452253240 is an apocalyptic number.

3452253240 is a gapful number since it is divisible by the number (30) 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 3452253240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5496660000).

3452253240 is an abundant number, since it is smaller than the sum of its proper divisors (7541066760).

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

3452253240 is a wasteful number, since it uses less digits than its factorization.

3452253240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4249 (or 4245 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 30.

The square root of 3452253240 is about 58755.8783442134. The cubic root of 3452253240 is about 1511.3586940467.

Adding to 3452253240 its reverse (423522543), we get a palindrome (3875775783).

The spelling of 3452253240 in words is "three billion, four hundred fifty-two million, two hundred fifty-three thousand, two hundred forty".