3216420152 has 64 divisors (see below), whose sum is σ = 6779777760. Its totient is φ = 1417830400.

The previous prime is 3216420143. The next prime is 3216420241. The reversal of 3216420152 is 2510246123.

It is a happy number.

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, 621608 + ... + 626760.

Almost surely, 2^3216420152 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3216420152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3389888880).

3216420152 is an abundant number, since it is smaller than the sum of its proper divisors (3563357608).

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

3216420152 is a wasteful number, since it uses less digits than its factorization.

3216420152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5384 (or 5380 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 3216420152 is about 56713.4917986893. The cubic root of 3216420152 is about 1476.1288154162.

Adding to 3216420152 its reverse (2510246123), we get a palindrome (5726666275).

The spelling of 3216420152 in words is "three billion, two hundred sixteen million, four hundred twenty thousand, one hundred fifty-two".