401615712842817 has 8 divisors (see below), whose sum is σ = 584168309589600. Its totient is φ = 243403462328960.

The previous prime is 401615712842807. The next prime is 401615712842857. The reversal of 401615712842817 is 718248217516104.

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 401615712842817 - 2⁷ = 401615712842689 is a prime.

It is a super-2 number, since 2×401615712842817² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (401615712842807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6085086558192 + ... + 6085086558257.

It is an arithmetic number, because the mean of its divisors is an integer number (73021038698700).

Almost surely, 2^{401615712842817} is an apocalyptic number.

It is an amenable number.

401615712842817 is a deficient number, since it is larger than the sum of its proper divisors (182552596746783).

401615712842817 is a wasteful number, since it uses less digits than its factorization.

401615712842817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12170173116463.

The product of its (nonzero) digits is 6021120, while the sum is 57.

The spelling of 401615712842817 in words is "four hundred one trillion, six hundred fifteen billion, seven hundred twelve million, eight hundred forty-two thousand, eight hundred seventeen".