401687441068 has 12 divisors (see below), whose sum is σ = 744303199752. Its totient is φ = 189029384000.

The previous prime is 401687441063. The next prime is 401687441137. The reversal of 401687441068 is 860144786104.

It is a super-2 number, since 2×401687441068² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (401687441063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2953584058 + ... + 2953584193.

It is an arithmetic number, because the mean of its divisors is an integer number (62025266646).

Almost surely, 2^401687441068 is an apocalyptic number.

It is an amenable number.

401687441068 is a deficient number, since it is larger than the sum of its proper divisors (342615758684).

401687441068 is a wasteful number, since it uses less digits than its factorization.

401687441068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5907168272 (or 5907168270 counting only the distinct ones).

The product of its (nonzero) digits is 1032192, while the sum is 49.

The spelling of 401687441068 in words is "four hundred one billion, six hundred eighty-seven million, four hundred forty-one thousand, sixty-eight".