401700056215 has 4 divisors (see below), whose sum is σ = 482040067464. Its totient is φ = 321360044968.

The previous prime is 401700056201. The next prime is 401700056267. The reversal of 401700056215 is 512650007104.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 401700056215 - 2²³ = 401691667607 is a prime.

It is a super-2 number, since 2×401700056215² (a number of 24 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40170005617 + ... + 40170005626.

It is an arithmetic number, because the mean of its divisors is an integer number (120510016866).

Almost surely, 2^401700056215 is an apocalyptic number.

401700056215 is a deficient number, since it is larger than the sum of its proper divisors (80340011249).

401700056215 is an equidigital number, since it uses as much as digits as its factorization.

401700056215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80340011248.

The product of its (nonzero) digits is 8400, while the sum is 31.

The spelling of 401700056215 in words is "four hundred one billion, seven hundred million, fifty-six thousand, two hundred fifteen".