401440203 has 6 divisors (see below), whose sum is σ = 579858084. Its totient is φ = 267626796.

The previous prime is 401440163. The next prime is 401440279. The reversal of 401440203 is 302044104.

It is a de Polignac number, because none of the positive numbers 2^k-401440203 is a prime.

It is a super-2 number, since 2×401440203² = 322308473169362418, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (401440283) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 22302225 + ... + 22302242.

It is an arithmetic number, because the mean of its divisors is an integer number (96643014).

Almost surely, 2^401440203 is an apocalyptic number.

401440203 is a deficient number, since it is larger than the sum of its proper divisors (178417881).

401440203 is a wasteful number, since it uses less digits than its factorization.

401440203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44604473 (or 44604470 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 401440203 is about 20035.9727240781. The cubic root of 401440203 is about 737.6895327484.

Adding to 401440203 its reverse (302044104), we get a palindrome (703484307).

The spelling of 401440203 in words is "four hundred one million, four hundred forty thousand, two hundred three".