401203254215 has 16 divisors (see below), whose sum is σ = 497314068768. Its totient is φ = 310482781056.

The previous prime is 401203254211. The next prime is 401203254223. The reversal of 401203254215 is 512452302104.

It is a cyclic number.

It is not a de Polignac number, because 401203254215 - 2² = 401203254211 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401203254211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6235817 + ... + 6299826.

It is an arithmetic number, because the mean of its divisors is an integer number (31082129298).

Almost surely, 2^401203254215 is an apocalyptic number.

401203254215 is a deficient number, since it is larger than the sum of its proper divisors (96110814553).

401203254215 is a wasteful number, since it uses less digits than its factorization.

401203254215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12535858.

The product of its (nonzero) digits is 9600, while the sum is 29.

Adding to 401203254215 its reverse (512452302104), we get a palindrome (913655556319).

The spelling of 401203254215 in words is "four hundred one billion, two hundred three million, two hundred fifty-four thousand, two hundred fifteen".