401345687403 has 64 divisors (see below), whose sum is σ = 608096256000. Its totient is φ = 261564290208.

The previous prime is 401345687299. The next prime is 401345687437. The reversal of 401345687403 is 304786543104.

401345687403 is a `hidden beast` number, since 4 + 0 + 13 + 4 + 568 + 74 + 0 + 3 = 666.

It is not a de Polignac number, because 401345687403 - 2¹² = 401345683307 is a prime.

It is a super-2 number, since 2×401345687403² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (401345687453) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 98391118 + ... + 98395196.

It is an arithmetic number, because the mean of its divisors is an integer number (9501504000).

Almost surely, 2^401345687403 is an apocalyptic number.

401345687403 is a deficient number, since it is larger than the sum of its proper divisors (206750568597).

401345687403 is a wasteful number, since it uses less digits than its factorization.

401345687403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4613 (or 4607 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 45.

The spelling of 401345687403 in words is "four hundred one billion, three hundred forty-five million, six hundred eighty-seven thousand, four hundred three".