3426640333555 has 8 divisors (see below), whose sum is σ = 4112492064912. Its totient is φ = 2740963157088.

The previous prime is 3426640333549. The next prime is 3426640333603. The reversal of 3426640333555 is 5553330466243.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 3426640333555 - 2⁴¹ = 1227617078003 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3426640333499 and 3426640333508.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43595529 + ... + 43674058.

It is an arithmetic number, because the mean of its divisors is an integer number (514061508114).

Almost surely, 2^{3426640333555} is an apocalyptic number.

3426640333555 is a deficient number, since it is larger than the sum of its proper divisors (685851731357).

3426640333555 is an equidigital number, since it uses as much as digits as its factorization.

3426640333555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87277445.

The product of its (nonzero) digits is 11664000, while the sum is 49.

Adding to 3426640333555 its reverse (5553330466243), we get a palindrome (8979970799798).

The spelling of 3426640333555 in words is "three trillion, four hundred twenty-six billion, six hundred forty million, three hundred thirty-three thousand, five hundred fifty-five".