401800207 has 8 divisors (see below), whose sum is σ = 421793280. Its totient is φ = 382246680.

The previous prime is 401800199. The next prime is 401800237. The reversal of 401800207 is 702008104.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 401800207 - 2³ = 401800199 is a prime.

It is a super-2 number, since 2×401800207² = 322886812690485698, 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 (401800237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108013 + ... + 111670.

It is an arithmetic number, because the mean of its divisors is an integer number (52724160).

Almost surely, 2^401800207 is an apocalyptic number.

401800207 is a deficient number, since it is larger than the sum of its proper divisors (19993073).

401800207 is a wasteful number, since it uses less digits than its factorization.

401800207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219773.

The product of its (nonzero) digits is 448, while the sum is 22.

The square root of 401800207 is about 20044.9546519816. The cubic root of 401800207 is about 737.9099822148.

The spelling of 401800207 in words is "four hundred one million, eight hundred thousand, two hundred seven".