401225446461 has 16 divisors (see below), whose sum is σ = 611701098624. Its totient is φ = 229155455424.

The previous prime is 401225446451. The next prime is 401225446477. The reversal of 401225446461 is 164644522104.

It is not a de Polignac number, because 401225446461 - 2⁷ = 401225446333 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401225446451) 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, 4800426 + ... + 4883291.

It is an arithmetic number, because the mean of its divisors is an integer number (38231318664).

Almost surely, 2^401225446461 is an apocalyptic number.

It is an amenable number.

401225446461 is a deficient number, since it is larger than the sum of its proper divisors (210475652163).

401225446461 is a wasteful number, since it uses less digits than its factorization.

401225446461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9685700.

The product of its (nonzero) digits is 184320, while the sum is 39.

Adding to 401225446461 its reverse (164644522104), we get a palindrome (565869968565).

The spelling of 401225446461 in words is "four hundred one billion, two hundred twenty-five million, four hundred forty-six thousand, four hundred sixty-one".