401101735645 has 16 divisors (see below), whose sum is σ = 518439059712. Its totient is φ = 296145518400.

The previous prime is 401101735637. The next prime is 401101735717. The reversal of 401101735645 is 546537101104.

It is not a de Polignac number, because 401101735645 - 2³ = 401101735637 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 178677 + ... + 913306.

It is an arithmetic number, because the mean of its divisors is an integer number (32402441232).

Almost surely, 2^401101735645 is an apocalyptic number.

It is an amenable number.

401101735645 is a deficient number, since it is larger than the sum of its proper divisors (117337324067).

401101735645 is a wasteful number, since it uses less digits than its factorization.

401101735645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1097652.

The product of its (nonzero) digits is 50400, while the sum is 37.

Adding to 401101735645 its reverse (546537101104), we get a palindrome (947638836749).

The spelling of 401101735645 in words is "four hundred one billion, one hundred one million, seven hundred thirty-five thousand, six hundred forty-five".