401043515412 has 24 divisors (see below), whose sum is σ = 943136459776. Its totient is φ = 132628563648.

The previous prime is 401043515377. The next prime is 401043515413. The reversal of 401043515412 is 214515340104.

It is a self number, because there is not a number n which added to its sum of digits gives 401043515412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401043515413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 131574433 + ... + 131577480.

Almost surely, 2^401043515412 is an apocalyptic number.

It is an amenable number.

401043515412 is an abundant number, since it is smaller than the sum of its proper divisors (542092944364).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

401043515412 is a wasteful number, since it uses less digits than its factorization.

401043515412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263152047 (or 263152045 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

Adding to 401043515412 its reverse (214515340104), we get a palindrome (615558855516).

The spelling of 401043515412 in words is "four hundred one billion, forty-three million, five hundred fifteen thousand, four hundred twelve".