401606364623345 has 64 divisors (see below), whose sum is σ = 554072856869376. Its totient is φ = 273743887841280.

The previous prime is 401606364623329. The next prime is 401606364623369. The reversal of 401606364623345 is 543326463606104.

It is not a de Polignac number, because 401606364623345 - 2⁴ = 401606364623329 is a prime.

It is a super-2 number, since 2×401606364623345² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6481568165 + ... + 6481630125.

It is an arithmetic number, because the mean of its divisors is an integer number (8657388388584).

Almost surely, 2^{401606364623345} is an apocalyptic number.

It is an amenable number.

401606364623345 is a deficient number, since it is larger than the sum of its proper divisors (152466492246031).

401606364623345 is a wasteful number, since it uses less digits than its factorization.

401606364623345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63930.

The product of its (nonzero) digits is 22394880, while the sum is 53.

The spelling of 401606364623345 in words is "four hundred one trillion, six hundred six billion, three hundred sixty-four million, six hundred twenty-three thousand, three hundred forty-five".