401355117 has 12 divisors (see below), whose sum is σ = 580201024. Its totient is φ = 267355080.

The previous prime is 401355079. The next prime is 401355139. The reversal of 401355117 is 711553104.

It is a de Polignac number, because none of the positive numbers 2^k-401355117 is a prime.

It is a super-2 number, since 2×401355117² = 322171859884167378, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401355187) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5653 + ... + 28890.

Almost surely, 2^401355117 is an apocalyptic number.

It is an amenable number.

401355117 is a deficient number, since it is larger than the sum of its proper divisors (178845907).

401355117 is a wasteful number, since it uses less digits than its factorization.

401355117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35840 (or 35837 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 27.

The square root of 401355117 is about 20033.8492806550. The cubic root of 401355117 is about 737.6374108415.

The spelling of 401355117 in words is "four hundred one million, three hundred fifty-five thousand, one hundred seventeen".