3213234240 has 112 divisors (see below), whose sum is σ = 10354494912. Its totient is φ = 844056576.

The previous prime is 3213234221. The next prime is 3213234281. The reversal of 3213234240 is 424323123.

It is a super-2 number, since 2×3213234240² = 20649748562216755200, which contains 22 as substring.

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 3213234240.

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, 39342 + ... + 89298.

Almost surely, 2^3213234240 is an apocalyptic number.

3213234240 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 3213234240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5177247456).

3213234240 is an abundant number, since it is smaller than the sum of its proper divisors (7141260672).

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

3213234240 is a wasteful number, since it uses less digits than its factorization.

3213234240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50044 (or 50034 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 3213234240 is about 56685.3970613244. The cubic root of 3213234240 is about 1475.6412785609.

Adding to 3213234240 its reverse (424323123), we get a palindrome (3637557363).

The spelling of 3213234240 in words is "three billion, two hundred thirteen million, two hundred thirty-four thousand, two hundred forty".