3234217640 has 16 divisors (see below), whose sum is σ = 7276989780. Its totient is φ = 1293687040.

The previous prime is 3234217607. The next prime is 3234217643. The reversal of 3234217640 is 467124323.

It can be written as a sum of positive squares in 2 ways, for example, as 3133536484 + 100681156 = 55978^2 + 10034^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3234217597 and 3234217606.

It is not an unprimeable number, because it can be changed into a prime (3234217643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40427681 + ... + 40427760.

Almost surely, 2^3234217640 is an apocalyptic number.

It is an amenable number.

3234217640 is an abundant number, since it is smaller than the sum of its proper divisors (4042772140).

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

3234217640 is a wasteful number, since it uses less digits than its factorization.

3234217640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80855452 (or 80855448 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 32.

The square root of 3234217640 is about 56870.1823454084. The cubic root of 3234217640 is about 1478.8464410206.

The spelling of 3234217640 in words is "three billion, two hundred thirty-four million, two hundred seventeen thousand, six hundred forty".