3256402026634 has 8 divisors (see below), whose sum is σ = 5003739699588. Its totient is φ = 1588488793440.

The previous prime is 3256402026629. The next prime is 3256402026637. The reversal of 3256402026634 is 4366202046523.

It can be written as a sum of positive squares in 2 ways, for example, as 3238110275625 + 18291751009 = 1799475^2 + 135247^2 .

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

It is not an unprimeable number, because it can be changed into a prime (3256402026637) 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, 19856109837 + ... + 19856110000.

Almost surely, 2^{3256402026634} is an apocalyptic number.

3256402026634 is a deficient number, since it is larger than the sum of its proper divisors (1747337672954).

3256402026634 is a wasteful number, since it uses less digits than its factorization.

3256402026634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39712219880.

The product of its (nonzero) digits is 1244160, while the sum is 43.

The spelling of 3256402026634 in words is "three trillion, two hundred fifty-six billion, four hundred two million, twenty-six thousand, six hundred thirty-four".