3256402026403 has 8 divisors (see below), whose sum is σ = 3428215318800. Its totient is φ = 3084631105248.

The previous prime is 3256402026281. The next prime is 3256402026413. The reversal of 3256402026403 is 3046202046523.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3256402026403 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3256402026413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10434988 + ... + 10742521.

It is an arithmetic number, because the mean of its divisors is an integer number (428526914850).

Almost surely, 2^{3256402026403} is an apocalyptic number.

3256402026403 is a deficient number, since it is larger than the sum of its proper divisors (171813292397).

3256402026403 is a wasteful number, since it uses less digits than its factorization.

3256402026403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21185621.

The product of its (nonzero) digits is 207360, while the sum is 37.

The spelling of 3256402026403 in words is "three trillion, two hundred fifty-six billion, four hundred two million, twenty-six thousand, four hundred three".