401200775201 has 12 divisors (see below), whose sum is σ = 418194843600. Its totient is φ = 384781136160.

The previous prime is 401200775177. The next prime is 401200775207. The reversal of 401200775201 is 102577002104.

It is not a de Polignac number, because 401200775201 - 2⁶ = 401200775137 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (401200775207) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1923431 + ... + 2121788.

It is an arithmetic number, because the mean of its divisors is an integer number (34849570300).

Almost surely, 2^401200775201 is an apocalyptic number.

401200775201 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

401200775201 is a deficient number, since it is larger than the sum of its proper divisors (16994068399).

401200775201 is an equidigital number, since it uses as much as digits as its factorization.

401200775201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4045360 (or 4045319 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 29.

Adding to 401200775201 its reverse (102577002104), we get a palindrome (503777777305).

The spelling of 401200775201 in words is "four hundred one billion, two hundred million, seven hundred seventy-five thousand, two hundred one".