401155333340512 has 48 divisors (see below), whose sum is σ = 802706046412032. Its totient is φ = 197306234419840.

The previous prime is 401155333340501. The next prime is 401155333340513. The reversal of 401155333340512 is 215043333551104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401155333340513) 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, 198276628 + ... + 200289619.

It is an arithmetic number, because the mean of its divisors is an integer number (16723042633584).

Almost surely, 2^{401155333340512} is an apocalyptic number.

It is an amenable number.

401155333340512 is an abundant number, since it is smaller than the sum of its proper divisors (401550713071520).

401155333340512 is a wasteful number, since it uses less digits than its factorization.

401155333340512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398566771 (or 398566763 counting only the distinct ones).

The product of its (nonzero) digits is 324000, while the sum is 40.

Adding to 401155333340512 its reverse (215043333551104), we get a palindrome (616198666891616).

The spelling of 401155333340512 in words is "four hundred one trillion, one hundred fifty-five billion, three hundred thirty-three million, three hundred forty thousand, five hundred twelve".