3254356640 has 24 divisors (see below), whose sum is σ = 7688417940. Its totient is φ = 1301742592.

The previous prime is 3254356507. The next prime is 3254356643. The reversal of 3254356640 is 466534523.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 3175998736 + 78357904 = 56356^2 + 8852^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3254356594 and 3254356603.

It is not an unprimeable number, because it can be changed into a prime (3254356643) 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, 10169705 + ... + 10170024.

Almost surely, 2^3254356640 is an apocalyptic number.

It is an amenable number.

3254356640 is an abundant number, since it is smaller than the sum of its proper divisors (4434061300).

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

3254356640 is a wasteful number, since it uses less digits than its factorization.

3254356640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20339744 (or 20339736 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 38.

The square root of 3254356640 is about 57046.9687187672. The cubic root of 3254356640 is about 1481.9096119511.

The spelling of 3254356640 in words is "three billion, two hundred fifty-four million, three hundred fifty-six thousand, six hundred forty".