401255072237 has 2 divisors, whose sum is σ = 401255072238. Its totient is φ = 401255072236.

The previous prime is 401255072227. The next prime is 401255072243. The reversal of 401255072237 is 732270552104.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 357626724361 + 43628347876 = 598019^2 + 208874^2 .

It is a cyclic number.

It is not a de Polignac number, because 401255072237 - 2¹² = 401255068141 is a prime.

It is a super-2 number, since 2×401255072237² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 401255072237.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (401255072227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200627536118 + 200627536119.

It is an arithmetic number, because the mean of its divisors is an integer number (200627536119).

Almost surely, 2^401255072237 is an apocalyptic number.

It is an amenable number.

401255072237 is a deficient number, since it is larger than the sum of its proper divisors (1).

401255072237 is an equidigital number, since it uses as much as digits as its factorization.

401255072237 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 117600, while the sum is 38.

The spelling of 401255072237 in words is "four hundred one billion, two hundred fifty-five million, seventy-two thousand, two hundred thirty-seven".