401040412513 has 8 divisors (see below), whose sum is σ = 437805972968. Its totient is φ = 365120037504.

The previous prime is 401040412499. The next prime is 401040412529. The reversal of 401040412513 is 315214040104.

It can be written as a sum of positive squares in 4 ways, for example, as 94204183329 + 306836229184 = 306927^2 + 553928^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-401040412513 is a prime.

It is not an unprimeable number, because it can be changed into a prime (401040412013) 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, 211295370 + ... + 211297267.

It is an arithmetic number, because the mean of its divisors is an integer number (54725746621).

Almost surely, 2^401040412513 is an apocalyptic number.

It is an amenable number.

401040412513 is a deficient number, since it is larger than the sum of its proper divisors (36765560455).

401040412513 is a wasteful number, since it uses less digits than its factorization.

401040412513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422592723.

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 401040412513 its reverse (315214040104), we get a palindrome (716254452617).

The spelling of 401040412513 in words is "four hundred one billion, forty million, four hundred twelve thousand, five hundred thirteen".