401341635672 has 16 divisors (see below), whose sum is σ = 1003354089240. Its totient is φ = 133780545216.

The previous prime is 401341635581. The next prime is 401341635713. The reversal of 401341635672 is 276536143104.

It is a super-2 number, since 2×401341635672² (a number of 24 digits) contains 22 as substring.

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, 8361284053 + ... + 8361284100.

Almost surely, 2^401341635672 is an apocalyptic number.

It is an amenable number.

401341635672 is an abundant number, since it is smaller than the sum of its proper divisors (602012453568).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

401341635672 is a wasteful number, since it uses less digits than its factorization.

401341635672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16722568162 (or 16722568158 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 42.

Adding to 401341635672 its reverse (276536143104), we get a palindrome (677877778776).

The spelling of 401341635672 in words is "four hundred one billion, three hundred forty-one million, six hundred thirty-five thousand, six hundred seventy-two".