401121143215140 has 96 divisors (see below), whose sum is σ = 1124231068800000. Its totient is φ = 106861692845952.

The previous prime is 401121143215129. The next prime is 401121143215159. The reversal of 401121143215140 is 41512341121104.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 401121143215098 and 401121143215107.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 305647681 + ... + 306957239.

It is an arithmetic number, because the mean of its divisors is an integer number (11710740300000).

Almost surely, 2^{401121143215140} is an apocalyptic number.

It is an amenable number.

401121143215140 is an abundant number, since it is smaller than the sum of its proper divisors (723109925584860).

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

401121143215140 is a wasteful number, since it uses less digits than its factorization.

401121143215140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1314529 (or 1314527 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 30.

Adding to 401121143215140 its reverse (41512341121104), we get a palindrome (442633484336244).

The spelling of 401121143215140 in words is "four hundred one trillion, one hundred twenty-one billion, one hundred forty-three million, two hundred fifteen thousand, one hundred forty".