401268589406 has 16 divisors (see below), whose sum is σ = 617794868880. Its totient is φ = 195356195520.

The previous prime is 401268589331. The next prime is 401268589409. The reversal of 401268589406 is 604985862104.

It is a super-2 number, since 2×401268589406² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401268589409) 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, 4765256 + ... + 4848731.

It is an arithmetic number, because the mean of its divisors is an integer number (38612179305).

Almost surely, 2^401268589406 is an apocalyptic number.

401268589406 is a deficient number, since it is larger than the sum of its proper divisors (216526279474).

401268589406 is a wasteful number, since it uses less digits than its factorization.

401268589406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9614539.

The product of its (nonzero) digits is 3317760, while the sum is 53.

The spelling of 401268589406 in words is "four hundred one billion, two hundred sixty-eight million, five hundred eighty-nine thousand, four hundred six".