3256020540 has 72 divisors (see below), whose sum is σ = 10457581680. Its totient is φ = 817196544.

The previous prime is 3256020503. The next prime is 3256020541. The reversal of 3256020540 is 450206523.

3256020540 is a `hidden beast` number, since 3 + 2 + 5 + 602 + 0 + 54 + 0 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3256020541) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 528970 + ... + 535089.

It is an arithmetic number, because the mean of its divisors is an integer number (145244190).

Almost surely, 2^3256020540 is an apocalyptic number.

3256020540 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3256020540 is an abundant number, since it is smaller than the sum of its proper divisors (7201561140).

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

3256020540 is a wasteful number, since it uses less digits than its factorization.

3256020540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1064091 (or 1064086 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 3256020540 is about 57061.5504521214. The cubic root of 3256020540 is about 1482.1621277387.

The spelling of 3256020540 in words is "three billion, two hundred fifty-six million, twenty thousand, five hundred forty".