3452040240 has 80 divisors (see below), whose sum is σ = 11674181376. Its totient is φ = 836857600.

The previous prime is 3452040233. The next prime is 3452040257. The reversal of 3452040240 is 420402543.

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

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 3452040240.

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, 651156 + ... + 656435.

Almost surely, 2^3452040240 is an apocalyptic number.

3452040240 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3452040240 is an abundant number, since it is smaller than the sum of its proper divisors (8222141136).

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

3452040240 is a wasteful number, since it uses less digits than its factorization.

3452040240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1307618 (or 1307612 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 24.

The square root of 3452040240 is about 58754.0657316581. The cubic root of 3452040240 is about 1511.3276103843.

Adding to 3452040240 its reverse (420402543), we get a palindrome (3872442783).

The spelling of 3452040240 in words is "three billion, four hundred fifty-two million, forty thousand, two hundred forty".