3196731840 has 224 divisors, whose sum is σ = 10461711360. Its totient is φ = 826675200.

The previous prime is 3196731773. The next prime is 3196731851. The reversal of 3196731840 is 481376913.

It is a junction number, because it is equal to n+sod(n) for n = 3196731792 and 3196731801.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4625895 + ... + 4626585.

Almost surely, 2^3196731840 is an apocalyptic number.

3196731840 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 3196731840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5230855680).

3196731840 is an abundant number, since it is smaller than the sum of its proper divisors (7264979520).

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

3196731840 is a wasteful number, since it uses less digits than its factorization.

3196731840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 851 (or 841 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 42.

The square root of 3196731840 is about 56539.6483894267. The cubic root of 3196731840 is about 1473.1107617258.

The spelling of 3196731840 in words is "three billion, one hundred ninety-six million, seven hundred thirty-one thousand, eight hundred forty".