401233012345552 has 20 divisors (see below), whose sum is σ = 777394003683556. Its totient is φ = 200615204943360.

The previous prime is 401233012345549. The next prime is 401233012345597. The reversal of 401233012345552 is 255543210332104.

It can be written as a sum of positive squares in 2 ways, for example, as 77396287770256 + 323836724575296 = 8797516^2 + 17995464^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78780543 + ... + 83718814.

Almost surely, 2^{401233012345552} is an apocalyptic number.

It is an amenable number.

401233012345552 is a deficient number, since it is larger than the sum of its proper divisors (376160991338004).

401233012345552 is a wasteful number, since it uses less digits than its factorization.

401233012345552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162653686 (or 162653680 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 40.

Adding to 401233012345552 its reverse (255543210332104), we get a palindrome (656776222677656).

The spelling of 401233012345552 in words is "four hundred one trillion, two hundred thirty-three billion, twelve million, three hundred forty-five thousand, five hundred fifty-two".