401215367233 has 4 divisors (see below), whose sum is σ = 406711468228. Its totient is φ = 395719266240.

The previous prime is 401215367191. The next prime is 401215367297. The reversal of 401215367233 is 332763512104.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 202849350544 + 198366016689 = 450388^2 + 445383^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-401215367233 is a prime.

It is a super-2 number, since 2×401215367233² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 401215367192 and 401215367201.

It is not an unprimeable number, because it can be changed into a prime (401215367533) 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 3 ways as a sum of consecutive naturals, for example, 2748050388 + ... + 2748050533.

It is an arithmetic number, because the mean of its divisors is an integer number (101677867057).

Almost surely, 2^401215367233 is an apocalyptic number.

It is an amenable number.

401215367233 is a deficient number, since it is larger than the sum of its proper divisors (5496100995).

401215367233 is an equidigital number, since it uses as much as digits as its factorization.

401215367233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5496100994.

The product of its (nonzero) digits is 90720, while the sum is 37.

Adding to 401215367233 its reverse (332763512104), we get a palindrome (733978879337).

The spelling of 401215367233 in words is "four hundred one billion, two hundred fifteen million, three hundred sixty-seven thousand, two hundred thirty-three".