3216425436 has 120 divisors (see below), whose sum is σ = 9626934240. Its totient is φ = 917319168.

The previous prime is 3216425423. The next prime is 3216425473. The reversal of 3216425436 is 6345246123.

3216425436 is a `hidden beast` number, since 3 + 2 + 1 + 642 + 5 + 4 + 3 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 3216425436.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1833936 + ... + 1835688.

It is an arithmetic number, because the mean of its divisors is an integer number (80224452).

Almost surely, 2^3216425436 is an apocalyptic number.

3216425436 is a gapful number since it is divisible by the number (36) 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 3216425436, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4813467120).

3216425436 is an abundant number, since it is smaller than the sum of its proper divisors (6410508804).

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

3216425436 is a wasteful number, since it uses less digits than its factorization.

3216425436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2585 (or 2574 counting only the distinct ones).

The product of its digits is 103680, while the sum is 36.

The square root of 3216425436 is about 56713.5383837052. The cubic root of 3216425436 is about 1476.1296237538.

It can be divided in two parts, 32164 and 25436, that added together give a square (57600 = 240²).

The spelling of 3216425436 in words is "three billion, two hundred sixteen million, four hundred twenty-five thousand, four hundred thirty-six".