401155323511232 has 56 divisors (see below), whose sum is σ = 801433513996416. Its totient is φ = 199221192351488.

The previous prime is 401155323511193. The next prime is 401155323511237. The reversal of 401155323511232 is 232115323551104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401155323511237) 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, 914438 + ... + 28339845.

It is an arithmetic number, because the mean of its divisors is an integer number (14311312749936).

Almost surely, 2^{401155323511232} is an apocalyptic number.

It is an amenable number.

401155323511232 is a deficient number, since it is larger than the sum of its proper divisors (400278190485184).

401155323511232 is a wasteful number, since it uses less digits than its factorization.

401155323511232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29255745 (or 29255735 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 38.

The spelling of 401155323511232 in words is "four hundred one trillion, one hundred fifty-five billion, three hundred twenty-three million, five hundred eleven thousand, two hundred thirty-two".