3256623660 has 24 divisors (see below), whose sum is σ = 9118546416. Its totient is φ = 868432960.

The previous prime is 3256623631. The next prime is 3256623661. The reversal of 3256623660 is 663266523.

It is not an unprimeable number, because it can be changed into a prime (3256623661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27138471 + ... + 27138590.

It is an arithmetic number, because the mean of its divisors is an integer number (379939434).

Almost surely, 2^3256623660 is an apocalyptic number.

3256623660 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3256623660 is an abundant number, since it is smaller than the sum of its proper divisors (5861922756).

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

3256623660 is a wasteful number, since it uses less digits than its factorization.

3256623660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54277073 (or 54277071 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 39.

The square root of 3256623660 is about 57066.8350270102. The cubic root of 3256623660 is about 1482.2536368291.

The spelling of 3256623660 in words is "three billion, two hundred fifty-six million, six hundred twenty-three thousand, six hundred sixty".