3257667242455 has 8 divisors (see below), whose sum is σ = 3909215917152. Its totient is φ = 2606123643168.

The previous prime is 3257667242441. The next prime is 3257667242471. The reversal of 3257667242455 is 5542427667523.

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 3257667242455 - 2²⁹ = 3257130371543 is a prime.

It is a super-2 number, since 2×3257667242455² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3257667242455.

It is a congruent number.

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, 325309 + ... + 2573161.

It is an arithmetic number, because the mean of its divisors is an integer number (488651989644).

Almost surely, 2^{3257667242455} is an apocalyptic number.

3257667242455 is a deficient number, since it is larger than the sum of its proper divisors (651548674697).

3257667242455 is a wasteful number, since it uses less digits than its factorization.

3257667242455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2537705.

The product of its digits is 84672000, while the sum is 58.

The spelling of 3257667242455 in words is "three trillion, two hundred fifty-seven billion, six hundred sixty-seven million, two hundred forty-two thousand, four hundred fifty-five".