3423402240 has 144 divisors (see below), whose sum is σ = 11035147200. Its totient is φ = 904421376.

The previous prime is 3423402239. The next prime is 3423402247. The reversal of 3423402240 is 422043243.

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 3423402240.

It is not an unprimeable number, because it can be changed into a prime (3423402247) 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, 414471 + ... + 422649.

Almost surely, 2^3423402240 is an apocalyptic number.

3423402240 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 3423402240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5517573600).

3423402240 is an abundant number, since it is smaller than the sum of its proper divisors (7611744960).

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

3423402240 is a wasteful number, since it uses less digits than its factorization.

3423402240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8312 (or 8298 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 24.

The square root of 3423402240 is about 58509.8473763178. The cubic root of 3423402240 is about 1507.1366934432.

Adding to 3423402240 its reverse (422043243), we get a palindrome (3845445483).

The spelling of 3423402240 in words is "three billion, four hundred twenty-three million, four hundred two thousand, two hundred forty".