401167353260465 has 128 divisors (see below), whose sum is σ = 556341820416000. Its totient is φ = 274641239900160.

The previous prime is 401167353260431. The next prime is 401167353260473. The reversal of 401167353260465 is 564062353761104.

It is a happy number.

It is not a de Polignac number, because 401167353260465 - 2⁴⁰ = 400067841632689 is a prime.

It is a super-2 number, since 2×401167353260465² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 242104617917 + ... + 242104619573.

It is an arithmetic number, because the mean of its divisors is an integer number (4346420472000).

Almost surely, 2^{401167353260465} is an apocalyptic number.

It is an amenable number.

401167353260465 is a deficient number, since it is larger than the sum of its proper divisors (155174467155535).

401167353260465 is a wasteful number, since it uses less digits than its factorization.

401167353260465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3975.

The product of its (nonzero) digits is 10886400, while the sum is 53.

The spelling of 401167353260465 in words is "four hundred one trillion, one hundred sixty-seven billion, three hundred fifty-three million, two hundred sixty thousand, four hundred sixty-five".