401641105 has 16 divisors (see below), whose sum is σ = 496034064. Its totient is φ = 311973120.

The previous prime is 401641091. The next prime is 401641117. The reversal of 401641105 is 501146104.

It can be written as a sum of positive squares in 8 ways, for example, as 33039504 + 368601601 = 5748^2 + 19199^2 .

It is a de Polignac number, because none of the positive numbers 2^k-401641105 is a prime.

It is a super-2 number, since 2×401641105² = 322631154451242050, which 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 15 ways as a sum of consecutive naturals, for example, 98079 + ... + 102091.

It is an arithmetic number, because the mean of its divisors is an integer number (31002129).

Almost surely, 2^401641105 is an apocalyptic number.

It is an amenable number.

401641105 is a deficient number, since it is larger than the sum of its proper divisors (94392959).

401641105 is a wasteful number, since it uses less digits than its factorization.

401641105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4596.

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 401641105 is about 20040.9856294545. The cubic root of 401641105 is about 737.8125719004.

Adding to 401641105 its reverse (501146104), we get a palindrome (902787209).

The spelling of 401641105 in words is "four hundred one million, six hundred forty-one thousand, one hundred five".